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noun, plural a·is [ah-eez] /ˈɑ iz/.
  1. a three-toed sloth, Bradypus tridactylus, inhabiting forests of southern Venezuela, the Guianas, and northern Brazil, having a diet apparently restricted to the leaves of the trumpet-tree, and sounding a high-pitched cry when disturbed.

Origin of ai1

1685–95; < Portuguese < Tupi
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ais


abbreviation for
  1. Australian Institute of Sport


noun plural ais
  1. the three-toed slothSee sloth (def. 1)

Word Origin

C17: from Portuguese, from Tupi


the internet domain name for
  1. Anguilla


abbreviation for
  1. artificial insemination
  2. artificial intelligence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ais in Medicine


  1. artificial insemination
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ais in Science


  1. Abbreviation of artificial insemination
  2. Abbreviation of artificial intelligence
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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