the·co·dont (th  k -d nt )n. Any of various extinct primitive archosaurs of the order Thecodontia of the late Permian and Triassic periods, having teeth in sockets and probably ancestral to the dinosaurs. [New Latin Th codontia, order name : Greek thk, chest, sheath; see dh- in Indo-European roots + Greek -od n, -odont-, -odont.] |
thecodont [ˈθiːkəˌdɒnt]
adj
1. (Life Sciences & Allied Applications / Zoology) (of mammals and certain reptiles) having teeth that grow in sockets
2. (Life Sciences & Allied Applications / Zoology) of or relating to teeth of this type
n
(Earth Sciences / Palaeontology) any extinct reptile of the order Thecodontia, of Triassic times, having teeth set in sockets: they gave rise to the dinosaurs, crocodiles, pterodactyls, and birds
[New Latin Thecondontia, from Greek thēkē case + -odont]
| thecodont (thk-dnt) Any of various extinct primitive archosaurs of the order Thecodontia of the late Permian and Triassic Periods. Thecodonts had teeth in sockets and were probably ancestral to the dinosaurs, pterosaurs, and crocodilians. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | thecodont - presumably in the common ancestral line to dinosaurs and crocodiles and birds archosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts order Thecodontia, Thecodontia - extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic |
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