Brachiosaurus
/ˌbræk.i.oʊˈsɔːr.əs/noun
A genus of large, long-necked sauropod dinosaurs with forelimbs longer than their hind limbs.
Did you know?Brachiosaurus was named from Greek roots, and the same ancient root behind “brach-” also lives on in words like “brachial,” meaning related to the arm.
Etymological Timeline
Ancient Greek
Greek
βραχίων (brachíōn)
“arm, upper arm”
Ancient Greek
Greek
σαῦρος (saûros)
“lizard”
1903
New Latin
Brachiosaurus
“arm lizard; a dinosaur genus named for its unusually long forelimbs”
Modern English
English
Brachiosaurus
“the name of a long-necked sauropod dinosaur”