puff adder

Noun puff adder has 2 senses

• puff adder(n = noun.animal) bitis arietans - large African viper that inflates its body when alarmed;
is a kind of viper
is a member of bitis, genus bitis

• puff adder(n = noun.animal) hognose snake, sand viper - harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed;
is a kind of colubrid, colubrid snake
is a member of genus heterodon, heterodon