Definition of night adder in English:

night adder


  • 1A venomous nocturnal African viper.

    Genus Causus, family Viperidae: several species, in particular the grey and black C. rhombeatus, common in southern Africa

    • ‘There are no leopards in the area anymore to worry about, but beware of the night adders which seem to like the indigenous forest below the cave.’
    • ‘The night adders, of which there are several species, are classified in the genus Causus.’
    • ‘The night adders, in terms of the venom gland size to the body size, has the longest venom glands of all snakes.’
    • ‘Every morning we shook our shoes for scorpions, and every night we ducked the night adders that fell out of trees.’
    • ‘The egg-eater has a cats eye shape while the night adder has a round pupil.’
    1. 1.1South African Any of a number of non-venomous nocturnal colubrid snakes.
      • ‘Because the earliest advanced vipers like the Fea's viper and African night adders have all of the head shields and other features of a ‘colubrid’ it will be rather hard to find the basal vipers amongst the rear fanged snakes by any other means than straight DNA testing.’