Dictionary.com

ai

1
[ ah-ee ]
/ ˈɑ i /
Save This Word!

noun, plural a·is [ah-eez]. /ˈɑ iz/.
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.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?

Origin of ai

1
1685–95; <Portuguese <Tupi

Other definitions for ai (2 of 3)

ai2
[ ahy ]
/ aɪ /

interjection
(used as an utterance of pity, pain, anguish, etc.)

Other definitions for ai (3 of 3)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use ai in a sentence

British Dictionary definitions for ai (1 of 3)

ai1
/ (ˈɑːɪ) /

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

Word Origin for ai

C17: from Portuguese, from Tupi

British Dictionary definitions for ai (2 of 3)

ai2

the internet domain name for
Anguilla

British Dictionary definitions for ai (3 of 3)

AI

abbreviation for
artificial insemination
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

Medical definitions for ai

AI

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

Scientific definitions for ai

AI

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