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brachiosaur Syllabification: bra·chi·o·saur
Pronunciation: /ˈbrākēəˌsôr/ /ˈbrak-/
(also brachiosaurusˌbrākēəˈsôrəsˌbrak-)

Definition of brachiosaur in English:


A huge herbivorous dinosaur of the late Jurassic to mid Cretaceous periods, with forelegs much longer than the hind legs.
  • Genus Brachiosaurus, infraorder Sauropoda, order Saurischia
Example sentences
  • They found embedded in solid rock what they believe to be the pelvis of a primitive sauropod, a four-legged, plant-eating dinosaur similar to better-known creatures such as brachiosaurus and diplodocus.
  • As Christians who reject evolutionary theory, the family scoffed at the park's dinosaur attractions, which date the apatosaurus, brachiosaurus and the like to prehistoric times.
  • Apparently, palaeontologists have wondered for years as to why the brachiosaurus didn't collapse under its own weight.


Modern Latin, from Greek brakhiōn 'arm' + sauros 'lizard'.



Example sentences
  • To confuse matters even further, it has recently been suggested that Cedarosaurus and some of the Pleurocoelus material is not even brachiosaurian, but titanosaur instead.
  • The reported dorsal vertebra of “Ultrasauros” is not even brachiosaurian but from a diplodocid.

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