Any of the genus Echis of venomous vipers.

Alternative form of Gaboon viper

plural of Gabon viper

A venomous viper, Vipera nikolskii, endemic to Ukraine, eastern Romania, and southwestern Russia.

A group of criminals or dangerous, untrustworthy people.

A pit viper of the venomous species, Trimeresurus purpureomaculatus, found in India and Southeast Asia.

plural of shore pit viper

Trimeresurus albolabris / Trimeresurus macrops / Trimeresurus trigonocephalus / Trimeresurus salazar

plural of blunt-nosed viper

A venomous viper, Macrovipera lebetinus, found in North Africa, much of the Middle East, and as far east as Kashmir.