Cretaceous armored dinosaur, 1907, Modern Latin, from Greek ankylos "crooked" (see angle (n.)) + -saurus.

Online Etymology Dictionary, © 2010 Douglas Harper

Examples from the Web for ankylosaurus

Historical Examples of ankylosaurus

  • Stegopelta of the Cretaceous of Wyoming is more nearly related to Ankylosaurus.


    William Diller Matthew

ankylosaurus in Science


[ăng′kə-lō-sôrəs]ankylosaur (ăngkə-lō-sôr′)

A large, herbivorous dinosaur of the genus Ankylosaurus of the Cretaceous Period. Ankylosaurs had a squat, heavily armored body and a clubbed tail.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.