Noun viperidae has 1 sense
  1. Viperidae, family Viperidae - Old World vipers
    --1 is a kind of reptile family
    --1 is a member of Serpentes, suborder Serpentes, Ophidia, suborder Ophidia
    --1 has members:
     viper; Vipera, genus Vipera; Bitis, genus Bitis; genus Cerastes, Aspis, genus Aspis
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