An`a*con"da (&?;), n. [Of Ceylonese origin?] (Zoöl.) A large South American snake of the Boa family (Eunectes murinus), which lives near rivers, and preys on birds and small mammals. The name is also applied to a similar large serpent (Python tigris) of Ceylon.

• Any of various large nonvenomous snakes of the genus Eunectes, found mainly in northern South America. Their length can grow to as much as 5 m (15 ft).
  
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• Anaconda