Stegosaur Definition

stĕgə-sôr
stegosaurs
noun
stegosaurs
Any of several large herbivorous ornithischian dinosaurs of the group Stegosauria of the Jurassic and early Cretaceous Periods. The largest genus, Stegosaurus, had a tail with two horizontal spikes for defense, and an arched back with an alternating double row of large, triangular, upright bony plates. Stegosaurs grew over 6 m (20 ft) long, but had extremely small heads with brains the size of a walnut. The hindquarters were controlled by a neural ganglion in the hip region that was larger than the brain.
American Heritage Science
Synonyms:
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Other Word Forms of Stegosaur

Noun

Singular:
stegosaur
Plural:
stegosaurs

Origin of Stegosaur

  • steg- +"Ž -saur

    From Wiktionary

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