puff adder(redirected from Puff adders)
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puff adder:see viperviper,
any of a large number of heavy-bodied, poisonous snakes of the family Viperidae, characterized by erectile, hypodermic fangs. The fangs are folded back against the roof of the mouth except when the snake strikes. Vipers are distributed throughout Eurasia and Africa.
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1. a large venomous African viper, Bitis arietans, that is yellowish-grey with brown markings and inflates its body when alarmed
2. another name for hognose snake
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005