English dictionary
plesiosaurus
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
Synonyms plesiosaurSource: WordNet 3.0
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A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age.
Source: webster1913