Standard Lemma guide

mosasaur

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A large extinct marine reptile in the family †Mosasauridae, dominant marine predator of the Cretaceous. Mosasaurs are considered to belong to Squamata, the same group that includes lizards and snakes.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From scientific Latin Mosasaurus (genus name).

Across languages

Translations

7 source translations are retained for this English entry.

  • German: Mosasaurier — extinct marine reptile in family Mosasauridae
  • Italian: mosasauro — extinct marine reptile in family Mosasauridae
  • Polish: mozazaur — extinct marine reptile in family Mosasauridae
  • Portuguese: mosassauro — extinct marine reptile in family Mosasauridae
  • Russian: мозаза́вр (mozazávr) — extinct marine reptile in family Mosasauridae
  • Spanish: mosasáurido — extinct marine reptile in family Mosasauridae
  • Spanish: mosasaurio — extinct marine reptile in family Mosasauridae