01 A harmless North American snake of the genus Heterodon, esp. Heterodon platyrhynos; -- called also puffing adder, blowing adder, and sand viper.
-
1.
A harmless North American snake of the genus Heterodon, esp. Heterodon platyrhynos; -- called also puffing adder, blowing adder, and sand viper.(Zool.) Also: puffing adder, blowing adder, sand viper