Plesiosaurus

noun

Definitions

Noun
  1. 1
    Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.

    ""Plesiosaurus! A fresh-water plesiosaurus!" cried Summerlee."

  2. 2
    extinct marine reptile with a small head on a long neck and a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous wordnet

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