the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.

< Arabic

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ha or hah1 (hɑː)
1.  an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker
2.  (reiterated) a representation of the sound of laughter
hah or hah1

symbol for

abbreviation for

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1300, natural expression found in most European languages; in O.E., Gk., L., O.Fr. as ha ha. A ha-ha (1712), from Fr., was "an obstacle interrupting one's way sharply and disagreeably;" so called because it "surprizes ... and makes one cry Ah! Ah!" ["Le Blond's Gardening," 1712].
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Abbreviations & Acronyms
  1. Hausa

  2. hectare

  3. hour angle

  1. headache

  2. Hydrocephalus Association

  3. hyperalimentation

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
As pepper spray has become ubiquitous in this country over the last two
  decades, it has not raised many eyebrows.
Revisiting the beginning after the end has emerged makes sense.
But nobody has turned up specific evidence of wrongdoing.
Most of the controversy has focused on privacy because the machines can produce
  graphic images.
Idioms & Phrases
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