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Definition of adder
1 : the common venomous viper (Vipera berus) of Europe; broadly : any of various snakes of the viper family — compare puff adder
2 : any of several North American snakes (such as the hognose snakes) that are harmless but are popularly believed to be venomous
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Illustration of adder
Origin and Etymology of adder
Middle English, alteration (by false division of a naddre) of naddre, from Old English nǣdre; akin to Old High German nātara adder, Latin natrix water snake
Definition of adder
: one that adds; especially : a device (as in a computer) that performs addition
First Known Use of adder
1547
ADDER Defined for Kids
adder
playDefinition of adder for Students
1 : a poisonous snake of Europe or Africa
2 : a harmless North American snake
Medical Dictionary
adder
playMedical Definition of adder
1: the common venomous European viper of the genus Vipera (V. berus); broadly : a terrestrial viper of the family Viperidae
2: any of several North American snakes (as the hognose snakes) that are harmless but are popularly believed to be venomous
Illustration of adder
Learn More about adder
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See words that rhyme with adder Spanish Central: Translation of adder Nglish: Translation of adder for Spanish speakers Britannica English: Translation of adder for Arabic speakers Britannica.com: Encyclopedia article about adder
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