Definition of Reptilia in US English:

Reptilia

noun

  • Treated as plural. Originally: those animals which creep or crawl. In later use (Zoology): the class of vertebrates which comprises the reptiles (snakes, lizards, crocodiles, turtles, tortoises, and many extinct forms).

Origin

Early 17th century; earliest use found in Owen Felltham (?1602–1668), essayist and poet. From post-classical Latin reptilia, plural of reptile reptile.

Pronunciation

Reptilia

/rɛpˈtɪlɪə/