night adder
noun
1- a venomous nocturnal African viper夜蝰蛇。
1.1
- Genus Causus, family Viperidae: several species, in particular the grey and black C. rhombeatus, common in southern Africa.夜蝰属, 蝰蛇科：数种, 尤指非洲南部常见的灰色和黑色夜蝰（拉丁名C. rhombeatus）。
1.2
- S. African any of a number of non-venomous nocturnal colubrid snakes〈南非〉猪鼻蛇。