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Definition of brachiosaurus

brachiosaurus

/ˌbrækiəˈsɔːrəs/
brach · i · o · sau · rus
Plural:brachiosauruses
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brachiosaurus Lexical Profile

brachiosaurus Game Scores & Validity

• noun

1

A massive herbivorous sauropod dinosaur from the Late Jurassic period, native to North America, characterized by a very long neck, a small head, and forelegs that were significantly longer than its hind legs.

Synonyms
View all synonyms for brachiosaurus

• Rhymes for brachiosaurus

• Nearby Words

bracero
braces
brachiosaur
brachiosaurus
brachyscome
bracing
bracingly

Word Origin & Etymology

Coined in 1903 by paleontologist Elmer S. Riggs from the Greek words 'brachiōn' (arm) and 'sauros' (lizard), referring to the dinosaur's unusually long front legs compared to its hind legs.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Brachiosaurus. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/brachiosaurus
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