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Definition of titanosaur
titanosaur
/taɪˌtæn.əˈsɔːr/
ti · tan · o · saur
Plural:titanosaurs
•Adjective:titanosaurian
titanosaur Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
titanosaur Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Any member of the Titanosauria, a diverse and widespread group of herbivorous sauropod dinosaurs from the Cretaceous period, known for their long necks, stocky legs, and including some of the largest, heaviest land animals in Earth's history.
Example
"Paleontologists in Patagonia recently unearthed the enormous fossilized femur of a previously undiscovered species of titanosaur."
Synonyms
View all synonyms for titanosaur• Rhymes for titanosaur
Word Origin & Etymology
Coined in the late 19th century from the genus name Titanosaurus, combining 'Titan' (the mythological Greek giants) and the Greek 'sauros' (lizard), denoting the immense size of these creatures.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Titanosaur. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/titanosaur