brachiosaur

noun

brach·​i·​o·​saur ˈbra-kē-ō-ˌsȯr How to pronounce brachiosaur (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
From there, though, brachiosaurs started to shrink back. Brian Switek, Scientific American Blog Network, 5 May 2017

Word History

Etymology

New Latin Brachiosaurs, from brachi- + Greek sauros lizard

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of brachiosaur was in 1912

Dictionary Entries Near brachiosaur

Cite this Entry

“Brachiosaur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brachiosaur. Accessed 25 Nov. 2024.

More from Merriam-Webster on brachiosaur

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!