1

adder

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noun ad·der \ˈa-dər\

Definition of adder

  1. 1 :  the common venomous viper (Vipera berus) of Europe; broadly :  any of various snakes of the viper family — compare puff adder

  2. 2 :  any of several North American snakes (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


First Known Use: 14th century


2

adder

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noun add·er \ˈa-dər\

Definition of adder

  1. :  one that adds; especially :  a device (as in a computer) that performs addition

1580

First Known Use of adder

1580


ADDER Defined for Kids

adder

play
noun ad·der \ˈa-dər\

Definition of adder for Students

  1. 1 :  a poisonous snake of Europe or Africa

  2. 2 :  a harmless North American snake


Medical Dictionary

adder

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noun ad·der \ˈad-ər\

Medical Definition of adder

  1. 1:  the common venomous European viper of the genus Vipera (V. berus); broadly :  a terrestrial viper of the family Viperidae

  2. 2:  any of several North American snakes (as the hognose snakes) that are harmless but are popularly believed to be venomous

Illustration of adder


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