brach·​i·​o·​saur | \ ˈbra-kē-ō-ˌsȯr How to pronounce brachiosaur (audio) \

Definition of brachiosaur

: any of a genus (Brachiosaurus) of very large sauropod dinosaurs of the Late Jurassic period having a massive body, a very long neck, and forelegs longer than hind legs

Examples of brachiosaur in a Sentence

Recent Examples on the Web From there, though, brachiosaurs started to shrink back. Brian Switek, Scientific American Blog Network, "Paleo Profile: The Wyvern Dinosaur," 5 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brachiosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brachiosaur

1912, in the meaning defined above

History and Etymology for brachiosaur

New Latin Brachiosaurs, from brachi- + Greek sauros lizard

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Time Traveler for brachiosaur

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The first known use of brachiosaur was in 1912

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Cite this Entry

“Brachiosaur.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2021.

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