| ki | (noun) the circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health | Synonyms: ch'i, chi, qi |
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| kiaat | (noun) deciduous South African tree having large odd-pinnate leaves and profuse fragrant orange-yellow flowers; yields a red juice and heavy strong durable wood | Synonyms: bloodwood tree, Pterocarpus angolensis |
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| kiang | (noun) wild ass of Tibet and Mongolia | Synonyms: Equus kiang |
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| kibble | (noun) an iron bucket used for hoisting in wells or mining | - |
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| (noun) coarsely ground grain in the form of pellets (as for pet food) | - |
| kibbutz | (noun) a collective farm or settlement owned by its members in modern Israel; children are reared collectively | - |
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| kibbutznik | (noun) a member of a kibbutz | - |
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| kibe | (noun) ulcerated chilblain on the heel | - |
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| kibibit | (noun) a unit of information equal to 1024 bits | Synonyms: kibit |
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| kibibyte | (noun) a unit of information equal to 1024 bytes | Synonyms: K, kB, KB, KiB, kilobyte |
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| kibit | (noun) a unit of information equal to 1024 bits | Synonyms: kibibit |
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| kibitzer | (noun) (Yiddish) a meddler who offers unwanted advice to others | - |
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| kick | (noun) the act of delivering a blow with the foot | Synonyms: boot, kicking |
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| (noun) a rhythmic thrusting movement of the legs as in swimming or calisthenics | Synonyms: kicking |
| (noun) the sudden stimulation provided by strong drink (or certain drugs) | - |
| (noun) informal terms for objecting | Synonyms: beef, bitch, gripe, squawk |
| (noun) the backward jerk of a gun when it is fired | Synonyms: recoil |
| (noun) the swift release of a store of affective force | Synonyms: bang, boot, charge, flush, rush, thrill |
| kickback | (noun) a commercial bribe paid by a seller to a purchasing agent in order to induce the agent to enter into the transaction | - |
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| kicker | (noun) a player who kicks the football | - |
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| kicking | (noun) the act of delivering a blow with the foot | Synonyms: boot, kick |
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| (noun) a rhythmic thrusting movement of the legs as in swimming or calisthenics | Synonyms: kick |
| kickoff | (noun) (football) a kick from the center of the field to start a football game or to resume it after a score | - |
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| (noun) a start given to contestants | Synonyms: send-off, start-off |
| (noun) the time at which something is supposed to begin | Synonyms: beginning, commencement, first, get-go, offset, outset, showtime, start, starting time |
| kickshaw | (noun) something considered choice to eat | Synonyms: dainty, delicacy, goody, treat |
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| kicksorter | (noun) scientific instrument consisting of an electronic circuit that permits only voltage pulses of predetermined height to pass | Synonyms: pulse height analyzer |
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| kickstand | (noun) a swiveling metal rod attached to a bicycle or motorcycle or other two-wheeled vehicle; the rod lies horizontally when not in use but can be kicked into a vertical position as a support to hold the vehicle upright when it is not being ridden | - |
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| kid | (noun) young goat | - |
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| (noun) a young person of either sex | Synonyms: child, fry, minor, nestling, nipper, shaver, small fry, tiddler, tike, tyke, youngster |
| (noun) a human offspring (son or daughter) of any age | Synonyms: child |
| (noun) soft smooth leather from the hide of a young goat | Synonyms: kidskin |
| kiddie | (noun) informal term for a young child | Synonyms: kiddy |
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| kiddy | (noun) informal term for a young child | Synonyms: kiddie |
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| kidnaper | (noun) someone who unlawfully seizes and detains a victim (usually for ransom) | Synonyms: abductor, kidnapper, snatcher |
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| kidnapper | (noun) someone who unlawfully seizes and detains a victim (usually for ransom) | Synonyms: abductor, kidnaper, snatcher |
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| kidnapping | (noun) (law) the unlawful act of capturing and carrying away a person against their will and holding them in false imprisonment | Synonyms: snatch |
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| kidney | (noun) either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine | - |
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| kidskin | (noun) soft smooth leather from the hide of a young goat | Synonyms: kid |
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| kief | (noun) A form of cannabis from Morocco and Algeria | - |
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| kieselguhr | (noun) a light soil consisting of siliceous diatom remains and often used as a filtering material | Synonyms: diatomaceous earth, diatomite |
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| kieserite | (noun) a white mineral consisting of hydrous magnesium sulfate often found in salt mines | - |
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| kike | (noun) (ethnic slur) offensive term for a Jew | Synonyms: hymie, sheeny, yid |
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| kildeer | (noun) American plover of inland waters and fields having a distinctive cry | Synonyms: Charadrius vociferus, killdeer, killdeer plover |
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| kilderkin | (noun) an obsolete British unit of capacity equal to 18 Imperial gallons | - |
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| kiley | (noun) an Australian boomerang; one side flat and the other convex | Synonyms: kylie |
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| kill | (noun) the act of terminating a life | Synonyms: killing, putting to death |
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| (noun) the destruction of an enemy plane or ship or tank or missile | - |
| (noun) the body of an animal, or bodies of animals, killed by a person or another animal | - |
| killdeer | (noun) American plover of inland waters and fields having a distinctive cry | Synonyms: Charadrius vociferus, kildeer, killdeer plover |
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| killer | (noun) predatory black-and-white toothed whale with large dorsal fin; common in cold seas | Synonyms: grampus, killer whale, orca, Orcinus orca, sea wolf |
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| (noun) a difficulty that is hard to deal with | - |
| (noun) someone who causes the death of a person or animal | Synonyms: slayer |
| (noun) the causal agent resulting in death | Synonyms: cause of death |
| killifish | (noun) small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control | - |
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| killing | (noun) the act of terminating a life | Synonyms: kill, putting to death |
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| (noun) an event that causes someone to die | Synonyms: violent death |
| (noun) a very large profit | Synonyms: cleanup |
| killjoy | (noun) someone who spoils the pleasure of others | Synonyms: party pooper, spoilsport, wet blanket |
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| kiln | (noun) a furnace for firing or burning or drying such things as porcelain or bricks | - |
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| kilo | (noun) one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites | Synonyms: kg, kilogram |
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| kilobit | (noun) a unit of information equal to 1000 bits | Synonyms: kb, kbit |
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| kilobyte | (noun) a unit of information equal to 1024 bytes | Synonyms: K, kB, KB, KiB, kibibyte |
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| (noun) a unit of information equal to 1000 bytes | Synonyms: K, kB, KB |
| kilocalorie | (noun) a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food | Synonyms: Calorie, kilogram calorie, large calorie, nutritionist's calorie |
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| kilocycle | (noun) one thousand periods per second | Synonyms: kc, kHz, kilocycle per second, kilohertz |
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| kilogram | (noun) one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites | Synonyms: kg, kilo |
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| kilohertz | (noun) one thousand periods per second | Synonyms: kc, kHz, kilocycle, kilocycle per second |
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| kiloliter | (noun) a metric unit of volume or capacity equal to 1000 liters | Synonyms: cubic meter, cubic metre, kilolitre |
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| kilolitre | (noun) a metric unit of volume or capacity equal to 1000 liters | Synonyms: cubic meter, cubic metre, kiloliter |
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| kilometer | (noun) a metric unit of length equal to 1000 meters (or 0.621371 miles) | Synonyms: kilometre, klick, km |
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| kilometrage | (noun) the number of kilometres travelled by a vehicle. | - |
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| kilometre | (noun) a metric unit of length equal to 1000 meters (or 0.621371 miles) | Synonyms: kilometer, klick, km |
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| kiloton | (noun) one thousand tons | - |
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| (noun) a measure of explosive power (of an atomic weapon) equal to that of 1000 tons of TNT | - |
| kilovolt | (noun) a unit of potential equal to a thousand volts | Synonyms: kV |
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| kilowatt | (noun) a unit of power equal to 1000 watts | Synonyms: kW |
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| kilt | (noun) a knee-length pleated tartan skirt worn by men as part of the traditional dress in the Highlands of northern Scotland | - |
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| kilter | (noun) in working order | Synonyms: kelter |
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| kimberlite | (noun) a rare type of peridotite that sometimes contains diamonds; found in South Africa and Siberia | - |
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| kimono | (noun) a loose robe; imitated from robes originally worn by Japanese | - |
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| kin | (noun) group of people related by blood or marriage | Synonyms: clan, kin group, kindred, kinship group, tribe |
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| (noun) a person having kinship with another or others | Synonyms: family, kinsperson |
| kina | (noun) the basic unit of money in Papua New Guinea | - |
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| kinaesthesia | (noun) the perception of body position and movement and muscular tensions etc | Synonyms: feeling of movement, kinesthesia |
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| (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesis, kinesthesia, kinesthesis, kinesthetics, muscle sense, sense of movement |
| kinaesthesis | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinesthesia, kinesthesis, kinesthetics, muscle sense, sense of movement |
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| kinanesthesia | (noun) inability to sense movement | - |
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| kinase | (noun) an enzyme that catalyzes the conversion of a proenzyme to an active enzyme | - |
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| kind | (noun) a category of things distinguished by some common characteristic or quality | Synonyms: form, sort, variety |
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| kindergarten | (noun) a preschool for children age 4 to 6 to prepare them for primary school | - |
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| kindergartener | (noun) a child who attends a preschool or kindergarten | Synonyms: kindergartner, preschooler |
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| kindergartner | (noun) a child who attends a preschool or kindergarten | Synonyms: kindergartener, preschooler |
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| kindheartedness | (noun) sympathy arising from a kind heart | Synonyms: kind-heartedness |
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| kindjal | (noun) a kind of short sword or dagger with a slightly curved blade, probably originated in Chechnya. | - |
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| kindliness | (noun) friendliness evidence by a kindly and helpful disposition | Synonyms: helpfulness |
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| kindling | (noun) the act of setting something on fire | Synonyms: firing, ignition, inflammation, lighting |
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| (noun) material for starting a fire | Synonyms: punk, spunk, tinder, touchwood |
| kindness | (noun) a kind act | Synonyms: benignity |
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| (noun) the quality of being warmhearted and considerate and humane and sympathetic | - |
| (noun) tendency to be kind and forgiving | Synonyms: forgivingness |
| kindred | (noun) group of people related by blood or marriage | Synonyms: clan, kin, kin group, kinship group, tribe |
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| kine | (noun) domesticated bovine animals as a group regardless of sex or age | Synonyms: Bos taurus, cattle, cows, oxen |
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| kinematics | (noun) the branch of mechanics concerned with motion without reference to force or mass | - |
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| kinescope | (noun) a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen | Synonyms: picture tube, television tube |
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| kinesiology | (noun) the branch of physiology that studies the mechanics and anatomy in relation to human movement | - |
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| kinesis | (noun) a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation | - |
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| kinesthesia | (noun) the perception of body position and movement and muscular tensions etc | Synonyms: feeling of movement, kinaesthesia |
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| (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinaesthesis, kinesthesis, kinesthetics, muscle sense, sense of movement |
| kinesthesis | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinaesthesis, kinesthesia, kinesthetics, muscle sense, sense of movement |
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| kinesthetics | (noun) the ability to feel movements of the limbs and body | Synonyms: kinaesthesia, kinaesthesis, kinesthesia, kinesthesis, muscle sense, sense of movement |
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| kinetics | (noun) the branch of mechanics concerned with the forces that cause motions of bodies | Synonyms: dynamics |
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| kinetochore | (noun) a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape | Synonyms: centromere |
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| kinetosis | (noun) the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle | Synonyms: motion sickness |
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| kinfolk | (noun) people descended from a common ancestor | Synonyms: family, family line, folk, kinsfolk, phratry, sept |
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| king | (noun) (chess) the weakest but the most important piece | - |
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| (noun) one of the four playing cards in a deck bearing the picture of a king | - |
| (noun) a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward | - |
| (noun) a male sovereign; ruler of a kingdom | Synonyms: male monarch, Rex |
| (noun) a very wealthy or powerful businessman | Synonyms: baron, big businessman, business leader, magnate, mogul, power, top executive, tycoon |
| (noun) a male competitor who holds a preeminent position | - |
| (noun) the husband or widower of a queen | - |
| (noun) preeminence in a particular category or group or field | - |
| kingbird | (noun) large American flycatcher | Synonyms: Tyrannus tyrannus |
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| kingbolt | (noun) bolt that provides a steering joint in a motor vehicle | Synonyms: kingpin, swivel pin |
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| kingcup | (noun) any of various plants of the genus Ranunculus | Synonyms: butter-flower, buttercup, butterflower, crowfoot, goldcup |
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| (noun) swamp plant of Europe and North America having bright yellow flowers resembling buttercups | Synonyms: Caltha palustris, cowslip, marsh marigold, May blob, meadow bright, water dragon |
| kingdom | (noun) a basic group of natural objects | - |
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| (noun) a monarchy with a king or queen as head of state | - |
| (noun) the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia | - |
| (noun) the domain ruled by a king or queen | Synonyms: realm |
| (noun) a country with a king as head of state | - |
| (noun) a domain in which something is dominant | Synonyms: land, realm |
| kingfish | (noun) any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast | - |
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| (noun) large edible mackerel of temperate United States coastal Atlantic waters | Synonyms: cero, pintado, Scomberomorus regalis |
| (noun) small silvery marine food fish found off California | Synonyms: chenfish, Genyonemus lineatus, white croaker |
| (noun) large game fish of Australia and New Zealand | Synonyms: Seriola grandis |
| (noun) the lean flesh of any of several fish caught off the Atlantic coast of the United States | - |
| kingfisher | (noun) nonpasserine large-headed bird with a short tail and long sharp bill; usually crested and bright-colored; feed mostly on fish | - |
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| kinglet | (noun) small birds resembling warblers but having some of the habits of titmice | - |
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| kingmaker | (noun) an important person who can bring leaders to power through the exercise of political influence | - |
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| kingpin | (noun) bolt that provides a steering joint in a motor vehicle | Synonyms: kingbolt, swivel pin |
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| (noun) the front bowling pin in the triangular arrangement of ten pins | Synonyms: headpin |
| (noun) the most important person in a group or undertaking | Synonyms: bigwig, top banana |
| kingship | (noun) the dignity or rank or position of a king | - |
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| kingsnake | (noun) any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals | Synonyms: king snake |
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