adder

noun ad·der \ ˈa-dər \

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

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

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First Known Use: 14th century

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adder

noun add·er \ ˈa-dər \

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

noun ad·der \ ˈa-dər \

Definition of adder for Students

1 :a poisonous snake of Europe or Africa

2 :a harmless North American snake

Medical Dictionary

adder

noun ad·der \ ˈad-ər \

medical 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

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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Definition of adder

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Origin and Etymology of adder

adder

Definition of adder

First Known Use of adder

ADDER Defined for Kids

adder

Definition of adder for Students

Medical Dictionary

adder

medical Definition of adder

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Origin and Etymology of adder

adder

Definition of adder

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ADDER Defined for Kids

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Definition of adder for Students

Medical Dictionary

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medical Definition of adder

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