English > viper: 1 sense > noun 1, animal| Meaning | venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw. |
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| Member of | Viperidae, family Viperidae | Old World vipers |
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| Narrower | adder, common viper, Vipera berus | small terrestrial / terrestrial viper common in northern Eurasia |
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| asp, asp viper, Vipera aspis | Of southern Europe |
| gaboon viper, Bitis gabonica | large heavy-bodied brilliantly marked and extremely venomous west African viper |
| horned viper, cerastes, sand viper, horned asp, Cerastes cornutus | Highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye |
| pit viper | New World vipers with hollow fangs and a heat-sensitive pit on each side of the head |
| puff adder, Bitis arietans | large African viper that inflates its body when alarmed |
| Broader | snake, serpent, ophidian | limbless scaly elongate reptile |
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| Spanish | víbora, vipérido |
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| Catalan | escurçó, vipèrid |
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