viper
vipers
A viper is a certain type of poisonous snake. The most common vipers in the United States are rattlesnakes and water moccasins.
Vipers are found in most places on earth, although some of the most famous poisonous snakes in the world, for example the cobra, are not vipers. Although viper is a scientific name for a particular family of snakes who poison others by biting them with hollow fangs that inject venom, it is often used generally to describe a spiteful, disloyal or back-stabbing person.
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venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
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types:
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Vipera berus, adder, common viper
small terrestrial viper common in northern Eurasia
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Vipera aspis, asp, asp viper
of southern Europe; similar to but smaller than the adder
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Bitis arietans, puff adder
large African viper that inflates its body when alarmed
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Bitis gabonica, gaboon viper
large heavy-bodied brilliantly marked and extremely venomous west African viper
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Cerastes cornutus, cerastes, horned asp, horned viper, sand viper
highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
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pit viper
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
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Agkistrodon contortrix, copperhead
common coppery brown pit viper of upland eastern United States
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Agkistrodon piscivorus, cottonmouth, cottonmouth moccasin, water moccasin
venomous semiaquatic snake of swamps in southern United States
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rattler, rattlesnake
pit viper with horny segments at the end of the tail that rattle when shaken
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Bothrops atrops, fer-de-lance
large extremely venomous pit viper of Central America and South America
Vocabulary lists containing viper
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