- A harmless North American snake regarding the genus Heterodon, esp. Heterodon platyrhynos; -- called additionally puffing adder, blowing adder, and sand viper.
- A snake associated with the genus Heterodon, which flattens the head when planning to strike. It's not venomous. Also called flathead or flat-headed adder, blowing-viper, etc. See Heterodon.
- harmless united states snake with upturned nostrils; may spread its head and throat or play dead whenever interrupted
Hypernym for "hognosesnake"
Variant for "hognosesnake"