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I. (noun)
Sense 1
Meaning:
Venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
Classified under:
Hypernyms ("viper" is a kind of...):
ophidian; serpent; snake (limbless scaly elongate reptile; some are venomous)
Hyponyms (each of the following is a kind of "viper"):
adder; common viper; Vipera berus (small terrestrial viper common in northern Eurasia)
asp; asp viper; Vipera aspis (of southern Europe; similar to but smaller than the adder)
Bitis arietans; puff adder (large African viper that inflates its body when alarmed)
Bitis gabonica; gaboon viper (large heavy-bodied brilliantly marked and extremely venomous west African viper)
cerastes; Cerastes cornutus; horned asp; horned viper; sand viper (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)
Holonyms ("viper" is a member of...):
family Viperidae; Viperidae (Old World vipers)
Context examples:
The researchers studied the venom composition, activities and toxicities of India’s neglected venomous snake species, including the monocled cobra (Naja kaouthia), Sochurek's saw-scaled viper (Echis carinatus sochureki), banded krait (Bungarus fasciatus), and Sind krait, and found that the standard Indian antivenom had disturbing deficiencies.
(‘India needs region-specific snakebite antivenoms’, SciDev.Net)