- any of various reptiles of the extinct order Thecodontia, occurring in the late Permian to late Triassic periods and characterized by teeth set in sockets.
- having the teeth set in sockets.
- belonging to or pertaining to the Thecodontia.
Origin of thecodont
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for thecodont
A genus of "Thecodont" Reptiles, so named in allusion to the fact that the teeth are sunk in distinct sockets.The Ancient Life History of the Earth
Henry Alleyne Nicholson
- (of mammals and certain reptiles) having teeth that grow in sockets
- of or relating to teeth of this type
- 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
C20: New Latin Thecondontia, from Greek thēkē case + -odont
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- 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.
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