Search Dictionary
Definition of brachiosaur

brachiosaur

/ˈbræki.əˌsɔːr/
brach · i · o · saur
Plural:brachiosaurs
•
Adjective:brachiosaurian
JUMP TO:

brachiosaur Lexical Profile

brachiosaur Game Scores & Validity

• noun

1

Any gigantic, herbivorous sauropod dinosaur of the genus Brachiosaurus or family Brachiosauridae from the Late Jurassic to Early Cretaceous periods, characterized by a very long neck, a small skull, and forelimbs that were significantly longer than its hind limbs.

Synonyms
View all synonyms for brachiosaur

• Nearby Words

bracelet
bracero
braces
brachiosaur
brachiosaurus
brachyscome
bracing

Word Origin & Etymology

Coined in 1903 by American paleontologist Elmer S. Riggs from the Neo-Latin genus name Brachiosaurus, which combines the Ancient Greek words brakhiōn ('arm') and sauros ('lizard'), referring to its unusually long forelimbs.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Brachiosaur. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/brachiosaur
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.