Dictionary
pit viper
noun
Definition of PIT VIPER
: any of various mostly New World vipers (subfamily Crotalinae of the family Viperidae) with a sensory pit on each side of the head and hollow perforated retractable fangs
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First Known Use of PIT VIPER
circa 1885
Rhymes with PIT VIPER
Medical Dictionary
pit viper
noun
Medical Definition of PIT VIPER
: any of various mostly New World highly specialized venomous snakes (as the rattlesnake, copperhead, water moccasin, and fer-de-lance) that belong to a subfamily (Crotalinae) of the family Viperidae, that have a small depression on each side of the head between the eye and the nostril, and that have hollow perforated fangs usually folded back in the upper part of the mouth but erected in striking
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