Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun synapsid_reptile
1 sense of synapsid reptile
Sense 1
synapsid, synapsid reptile -- (extinct reptile having a single pair of lateral temporal openings in the skull)
=> reptile, reptilian -- (any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms)