/ Dictionary / Index A ankylosaur: Meaning and Definition of Find definitions for: an•ky•lo•saur Pronunciation: (ang'ku-lō-sôr"), [key] — n. any of several herbivorous dinosaurs of the suborder Ankylosauria, from the Cretaceous Period, having the body covered with thick, bony plates. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ankylosaur (Thesaurus) ankyloglossia ankylose Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language