Medical Dictionary

Viperidae

noun pl Vi·per·i·dae \vī-ˈper-ə-ˌdē\

Medical Definition of VIPERIDAE

:  a widely distributed family comprising heavy-bodied venomous snakes that include Old World snakes (subfamily Viperinae) and the pit vipers (subfamily Crotalinae) and that are characterized by large tubular venom-conducting fangs erected by rotation of the movable premaxillae—compare crotalidae
vi·per·id \ˈvī-pə-ˌrid\ adjective

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