| haiku | (noun) an epigrammatic Japanese verse form of three short lines | - |
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| puku | (noun) an African antelope closely related to the waterbuck | Synonyms: Adenota vardoni |
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| seppuku | (noun) ritual suicide by self-disembowelment on a sword; practiced by samurai in the traditional Japanese society | Synonyms: hara-kiri, harakiri, harikari |
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| sodoku | (noun) the form of ratbite fever occurring in the Far East | Synonyms: spirillum fever |
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| sudoku | (noun) a number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number | - |
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