Definition of puff adder
1 : a large thick-bodied extremely venomous African viper (Bitis arietans)
2 : hognose snake
First Known Use of puff adder
Medical Definition of puff adder
: a large thick-bodied exceedingly venomous widely distributed African viper (Bitis arietans) that inflates its body and hisses loudly when disturbed; also : a similar smaller snake (B. inornata) of southern Africa
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