| archosaurian | (noun) extinct reptiles including: dinosaurs, plesiosaurs, pterosaurs, ichthyosaurs, thecodonts | Synonyms: archosaur, archosaurian reptile |
|---|
| auricle | (noun) a small conical pouch projecting from the upper anterior part of each atrium of the heart | Synonyms: atrial auricle, auricula atrii |
|---|
| (noun) the externally visible cartilaginous structure of the external ear | Synonyms: ear, pinna |
| auricula | (noun) a pouch projecting from the top front of each atrium of the heart | Synonyms: auricular appendage, auricular appendix |
|---|
| (noun) yellow-flowered primrose native to Alps; commonly cultivated | Synonyms: bear's ear, Primula auricula |
| auriculare | (noun) the craniometric point at the center of the opening of the external acoustic meatus | Synonyms: auricular point |
|---|
| auriscope | (noun) medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane) | Synonyms: auroscope, otoscope |
|---|
| kauri | (noun) tall timber tree of New Zealand having white straight-grained wood | Synonyms: Agathis australis, kaury |
|---|
| (noun) white close-grained wood of a tree of the genus Agathis especially Agathis australis | - |
| (noun) resin of the kauri trees of New Zealand; found usually as a fossil; also collected for making varnishes and linoleum | Synonyms: kauri copal, kauri gum, kauri resin |
| saurian | (noun) any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs | - |
|---|
| saurischian | (noun) herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile | Synonyms: saurischian dinosaur |
|---|
| staurikosaur | (noun) primitive dinosaur found in Brazil | Synonyms: staurikosaurus |
|---|
| staurikosaurus | (noun) primitive dinosaur found in Brazil | Synonyms: staurikosaur |
|---|
| taurine | (noun) a colorless crystalline substance obtained from the bile of mammals | - |
|---|
| titanosaurian | (noun) amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the Southern Hemisphere | Synonyms: titanosaur |
|---|