pit viper definition

  • noun:
    • Any of numerous venomous snakes of household Crotalidae, such as for instance a copperhead, rattlesnake, or fer-de-lance, characterized by a small sensory pit below each attention.
    • any one of different venomous snakes, associated with the household Crotalinae, found in Asia and also the Americas, with a-deep pit or fossa on either side of the head that enables all of them to detect prey by infrared.
    • any viperine snake having a deep gap for each side of the snout. The rattlesnake and copperhead are examples.
    • A venomous serpent associated with family Crotalidæ, as a rattlesnake; a pit-headed viper: so named from characteristic gap amongst the eyes and nostrils. See Bothrophera.
    • New World vipers with hollow fangs and a heat-sensitive pit for each region of the mind

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    • A creature, famous for abrupt unprovoked…
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