plesiosaurus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Hypernyms:
archosaur, archosaurian, archosaurian reptile
• Member Holonyms:
genus Plesiosaurus