brachiosaurus

bra·chi·o·sau·rus

 (brā′kē-ə-sôr′əs, brăk′ē-)

n.

A large brachiosaurid dinosaur of the genus Brachiosaurus of the Jurassic Period, with the nostrils and eyes set high up on the head. Also called brachiosaur.

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[New Latin Brāchiosaurus, genus name : Latin brācchium, arm; see brachium + Greek sauros, lizard.]

brachiosaurus

(ˌbreɪkɪəˈsɔːrəs; ˌbræk-)

n

(Animals) a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known. See also sauropod

bra·chi·o·sau·rus

(brā′kē-ə-sôr′əs) or bra·chi·o·saur (brā′kē-ə-sôr′)

Plural brachiosauri or brachiosaurs

A massive sauropod dinosaur of the Jurassic and Cretaceous Periods. It had forelegs that were longer than its hind legs, and nostrils on top of its head.