Brachiosaurus definition

brākē-ə-sôrəs, brăkē-
A large brachiosaurid dinosaur of the genus Brachiosaurus of the Jurassic Period, with the nostrils and eyes set high up on the head.
noun
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A very large sauropod dinosaur of the genus Brachiosaurus of the Jurassic and Cretaceous Periods. It had forelegs that were longer than its hind legs, and nostrils on top of its head.
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A taxonomic genus within the family Brachiosauridae — brachiosaurus.
pronoun
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Other Word Forms

Noun

Singular:
brachiosaurus
Plural:
brachiosauruses

Origin of brachiosaurus

  • New Latin Brāchiosaurus genus name Latin brācchium arm brachium Greek sauros lizard

    From American Heritage Dictionary of the English Language, 5th Edition