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Definition of Pit viper
1. Noun. New World vipers with hollow fangs and a heat-sensitive pit on each side of the head.
Generic synonyms: Viper
Group relationships: Crotalidae, Family Crotalidae
Specialized synonyms: Agkistrodon Contortrix, Copperhead, Agkistrodon Piscivorus, Cottonmouth, Cottonmouth Moccasin, Water Moccasin, Rattler, Rattlesnake, Bothrops Atrops, Fer-de-lance
Group relationships: Crotalidae, Family Crotalidae
Specialized synonyms: Agkistrodon Contortrix, Copperhead, Agkistrodon Piscivorus, Cottonmouth, Cottonmouth Moccasin, Water Moccasin, Rattler, Rattlesnake, Bothrops Atrops, Fer-de-lance