I. ˈrep-ˌtī(-ə)l, -t ə l noun
Etymology: Middle English reptil, from Middle French or Late Latin; Middle French reptile (feminine), from Late Latin reptile (neuter), from neuter of reptilis creeping, from Latin reptus, past participle of repere to crawl; akin to Lithuanian rėplioti to crawl
Date: 14th century
1. : an animal that crawls or moves on its belly (as a snake) or on small short legs (as a lizard)
2. : any of a class (Reptilia) of air-breathing vertebrates that include the alligators and crocodiles, lizards, snakes, turtles, and extinct related forms (as dinosaurs and pterosaurs) and are characterized by a completely ossified skeleton with a single occipital condyle, a distinct quadrate bone usually immovably articulated with the skull, ribs attached to the sternum, and a body usually covered with scales or bony plates
3. : a groveling or despised person
II. adjective
Date: 1607
: characteristic of a reptile : reptilian