adder

add·er 1

 (ăd′ər)
n.
One that adds, especially a computational device that performs arithmetic addition.

ad·der 2

 (ăd′ər)
n.
1. Any of several venomous snakes, especially a viper of the subfamily Viperinae.
2. Any of several nonvenomous snakes, such as the hognose snake, often believed to be harmful.

[Middle English, from an addre, alteration of a naddre, a snake, from Old English nǣdre, snake.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

adder

(ˈædə)
n
1. (Animals) Also called: viper a common viper, Vipera berus, that is widely distributed in Europe, including Britain, and Asia and is typically dark greyish in colour with a black zigzag pattern along the back
2. (Animals) any of various similar venomous or nonvenomous snakes
[Old English nǣdre snake; in Middle English a naddre was mistaken for an addre; related to Old Norse nathr, Gothic nadrs]

adder

(ˈædə)
n
(Computer Science) a person or thing that adds, esp a single element of an electronic computer, the function of which is to add a single digit of each of two inputs
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ad•der1

(ˈæd ər)

n.
1. the common European viper, Vipera berus.
2. any of various snakes resembling the viper.
[before 950; late Middle English; replacing Middle English nadder (a nadder becoming an adder by misdivision), Old English næddre]

add•er2

(ˈæd ər)

n.
a person or thing that adds.
[1570–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

adder

- A snake, it was first "a nadder," which was misanalyzed to "an adder."
See also related terms for snake.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.adder - a person who adds numbersadder - a person who adds numbers    
calculator, estimator, figurer, reckoner, computer - an expert at calculation (or at operating calculating machines)
2.adder - a machine that adds numbersadder - a machine that adds numbers    
calculating machine, calculator - a small machine that is used for mathematical calculations
3.adder - small terrestrial viper common in northern Eurasiaadder - small terrestrial viper common in northern Eurasia
viper - venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
genus Vipera, Vipera - type genus of the Viperidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Natter
οχιά
additionneurcouleuvre
vipera

adder

[ˈædəʳ] Nvíbora f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

adder

[ˈædər] n (= snake) → vipère f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

adder

nViper f, → Natter f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

adder

[ˈædəʳ] nvipera
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
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