plesiosaur

Noun
Synonyms: plesiosaurus

WordNet 3.0

Noun (1)

  1. extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and CretaceousSynonyms: plesiosaurus
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Webster's Dictionary (GCIDE)

Plesiosaur \Ple"si*o*saur\, n. (Paleon.) One of the Plesiosauria. [1913 Webster]
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