Search Dictionary
Definition of spinosaurus

spinosaurus

/ˌspaɪnoʊˈsɔːrəs/
spi · no · sau · rus
Plural:spinosauruses
JUMP TO:

spinosaurus Lexical Profile

• noun

1

A large, semi-aquatic carnivorous theropod dinosaur from the Late Cretaceous period, native to North Africa, characterized by its long, crocodile-like snout and a massive sail-like structure on its back.

Synonyms
View all synonyms for spinosaurus

• Rhymes for spinosaurus

• Nearby Words

spinner shark
spinning
spinoff
spinosaurus
spinout
spinster
spinsterhood

Word Origin & Etymology

Derived from Latin 'spina' (spine) and Greek 'sauros' (lizard). Named by German paleontologist Ernst Stromer in 1915, referring to the large neural spines on the animal's back.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Spinosaurus. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/spinosaurus
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.