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Meaning of PLESIOSAURUS

WordNet Dictionary
 
 Definition: [n]  extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
 
 Websites: 
 
 Synonyms: plesiosaur
 
 See Also: archosaur, archosaurian, archosaurian reptile, genus Plesiosaurus

 

 

Webster's 1913 Dictionary
 
 Definition: 
\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.
 

 

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