stegosauri

Variant of stegosaurus

stegosaurus definition

☆ stego·sau·rus (steg′ə sôr′əs)

noun pl. stegosauri -·ri (-ī)

any of a suborder (Stegosauria) of large ornithischian dinosaurs of the Upper Jurassic having a small head and heavy bony plates with sharp spikes down the backbone

Etymology: ModL < Gr stegos, roof (see thatch) + -saurus

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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