Noun vipera has 1 sense
  1. Vipera, genus Vipera - type genus of the Viperidae
    --1 is a kind of reptile genus
    --1 is a member of Viperidae, family Viperidae
    --1 has members:
     adder, common viper, Vipera berus; asp, asp viper, Vipera aspis
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