Word Study
stegosaurus
CIDE DICTIONARY
stegosaurus, n. [NL., fr. Gr. ste`gh roof + say^ros a lizard.].
A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines. [1913 Webster]
OXFORD DICTIONARY
stegosaurus, n. any of a group of plant-eating dinosaurs with a double row of large bony plates along the spine.
Etymology
mod. L f. Gk stege covering + sauros lizard
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