/ Dictionary / Index T thecodont: Meaning and Definition of Find definitions for: the•co•dont Pronunciation: (thē'ku-dont"), [key] — n. 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. —adj. having the teeth set in sockets. belonging to or pertaining to the Thecodontia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thecodont (Thesaurus) thecium thé dansant* Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language