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Definition of stegosaurus
stegosaurus
/ˌstɛɡ.əˈsɔːr.əs/
steg · o · sau · rus
Plural:stegosauruses
•Adjective:stegosaurian
stegosaurus Lexical Profile
CEFR
B2
Grade
4
Tier
2
Usage
Rare
stegosaurus Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A large, heavily built, herbivorous dinosaur of the Late Jurassic period, native to what is now North America and distinguished by a double row of large kite-shaped bony plates along its back and a heavily spiked tail.
Synonyms
View all synonyms for stegosaurus• Rhymes for stegosaurus
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Word Origin & Etymology
Coined in 1877 by American paleontologist Othniel Charles Marsh from the Greek words 'stegos' (roof or covering) and 'sauros' (lizard), referring to the prominent bony plates that cover its back.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Stegosaurus. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/stegosaurus