an·a·con·da /ˌænəˈkɑndə/
  無毒蟒蛇;巨蟒;大蛇
  An·a·con·da n.  Zool. 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.
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  anaconda
       n : large arboreal boa of tropical South America [syn: Eunectes
           murinus]