Definition of brachiosaur in English:

brachiosaur

noun

(also brachiosaurus)
  • 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

    ‘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.’
    • ‘Two brachiosauri with a Christ complex walk across a prehistoric lake mural on the side of the building.’
    • ‘The huge size of brachiosaurs led some researchers to suggest that they spent most of their time submerged in water.’

Pronunciation

brachiosaur

/ˈbrākēəˌsôr/ /ˈbrak-/ /ˌbrækioʊˈsɔrəs/

Origin

Modern Latin, from Greek brakhiōn ‘arm’ + sauros ‘lizard’.