Noun agkistrodon piscivorus has 1 sense
  1. water moccasin, cottonmouth, cottonmouth moccasin, Agkistrodon piscivorus - venomous semiaquatic snake of swamps in southern United States
    --1 is a kind of pit viper
    --1 is a member of
     Agkistrodon, genus Agkistrodon, Ancistrodon, genus Ancistrodon
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