Adjacent Words

plesiosaurus definitions

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WordNet (r) 3.0 (2005)

n
1: extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous [syn: plesiosaur, plesiosaurus]

Oxford Reference Dictionary

n. (also plesiosaur) any of a group of extinct marine reptiles with a broad flat body, short tail, long flexible neck, and large paddle-like limbs. Etymology: mod.L f. Gk plesios near + sauros lizard

Webster's 1913 Dictionary

Plesiosaurus Ple`si*o*sau"rus, n.; pl. Plesiosauri. [NL., fr. Gr ? near + ? a lizard.] (Paleon.) 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.