Sand viper Meaning, Definition & Usage

1. noun highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
   horned viper; cerastes; Cerastes cornutus; horned asp.
   
2. noun harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed
   puff adder; hognose snake.
   

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