cotylosaur

play
noun co·ty·lo·saur \ˈkä-tə-lō-ˌsȯr, -lə-ˌsȯr, kə-ˈti-lə-\

Definition of cotylosaur

  1. :  any of an order (Cotylosauria) of extinct primitive reptiles of the Carboniferous to Triassic with short legs and massive bodies that were prob. the earliest truly terrestrial vertebrate animals

Origin and Etymology of cotylosaur

ultimately from Greek kotylē + sauros lizard


Seen and Heard

What made you want to look up cotylosaur? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!