stegosaurus - Definitions from Dictionary.com

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Stegosaurus
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American Heritage Dictionary - Cite This Source - Share This

steg·o·saur Audio Help (stěg'ə-sôr') Pronunciation Key
n. Any of several herbivorous dinosaurs of the suborder Stegosauria of the Jurassic to the Cretaceous periods, having a double row of upright bony plates along the back, long hind legs, a short neck, and a relatively small head.

[New Latin Stegosaurus, genus name : Greek stegos, roof; see stegodon + Greek sauros, lizard.]

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stegosaurus

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Online Etymology Dictionary - Cite This Source - Share This
stegosaurus

type of dinosaur, 1892, from Mod.L. order name Stegosauria (O.C.Marsh, 1877), from comb. form of Gk. stegos "roof" (from stege "covering," stegein "to cover," from PIE base *(s)teg- "cover," especially "cover with a roof" (cf. Skt. sthag- "cover, conceal, hide;" L. tegere "to cover;" Lith. stegti "roof;" O.N. þekja, O.E. þeccan "thatch;" Du. dekken, Ger. decken "to cover, put under roof;" Ir. tuigiur "cover," tech "house;" Welsh toi "thatch, roof," ty "house") + sauros "lizard." The back-armor plates in the fossilized remains look like roof tiles.

WordNet - Cite This Source - Share This

stegosaurus
noun
herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon [syn: stegosaur]

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Stegosaurus

Steg`o*sau"ri*a\, n. pl. [NL. See Stegosaurus.] (Paleon.) An extinct order of herbivorous dinosaurs, including the genera Stegosaurus, Omosaurus, and their allies.

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