noun A name loosely applied to various snakes more or less resembling a viper. A small venomous serpent of the genus Vipera A common European adder (Vipera berus). A puff adder, of Africa (genus Bitis). Any of several small nonvenomous snakes resembling adders A milk snake (Lampropeltis triangulum). A hog-nosed snake, of genus Heterodon of harmless colubrid snakes found in North America Certain venomous snakes resembling other adders Death adders (Acanthophis spp.), elapid snakes found in Southeast Asia and Australia A northern copperhead (Agkistrodon contortrix mokasen), a venomous viper found in the eastern United States
noun A small venomous serpent of the genus Vipera A common European adder (Vipera berus).
noun A common European adder (Vipera berus).
noun A puff adder, of Africa (genus Bitis).
noun Any of several small nonvenomous snakes resembling adders A milk snake (Lampropeltis triangulum). A hog-nosed snake, of genus Heterodon of harmless colubrid snakes found in North America
noun A milk snake (Lampropeltis triangulum).
noun A hog-nosed snake, of genus Heterodon of harmless colubrid snakes found in North America