sand viper
1. highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye • Syn: horned viper, cerastes, horned asp, Cerastes cornutus • Hypernyms: viper • Member Holonyms: genus Cerastes, Aspis, genus Aspis 2. harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed • Syn: hognose snake, puff adder • Hypernyms: colubrid snake, colubrid • Member Holonyms: Heterodon, genus Heterodon
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