brachiosaurus(redirected from Braciasaurus)
Also found in: Encyclopedia.
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.
[New Latin Brāchiosaurus, genus name : Latin brācchium, arm; see brachium + Greek sauros, lizard.]
(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.