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[ang-kuh-loh-sawr] /ˈæŋ kə loʊˌsɔr/
any of several herbivorous dinosaurs of the suborder Ankylosauria, from the Cretaceous Period, having the body covered with thick, bony plates.
Also called armored dinosaur.
Origin of ankylosaur
1905-10; < New Latin Ankylosauria name of the suborder. See ankylo-, -saur, -ia Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for ankylosaur
Historical Examples
  • The Polacanthus and ankylosaur developed a most effective armour-plating over the rear.

    The Story of Evolution Joseph McCabe
British Dictionary definitions for ankylosaur


any of various quadrupedal herbivorous ornithischian dinosaurs constituting the suborder Ankylosauria, which were most abundant in upper Cretaceous times and had a very heavily armoured tanklike body
Word Origin
C20: from New Latin, from Greek ankulos crooked + -saur
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ankylosaur in Science
ankylosaurus (āng'kə-lō-sôr'əs) or ankylosaur
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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