pit viper
noun1
Any of various venomous snakes, of the subfamily Crotalinae, found in Asia and the Americas, with a deep pit or fossa on either side of the head that enables them to detect prey by infrared.
- Derived terms
- green pit viper, lowlands hump-nosed pit viper, rat-tailed pit viper, shore pit viper, Tonkin pit viper
- Related terms
- crotaline