The Collaborative International Dictionary of English v.0.48:

Ai \A"i\, n.; pl. Ais. [Braz. a["i], ha["i], from the animal's
   cry: cf. F. a["i].] (Zool.)
   The three-toed sloth (Bradypus tridactylus) of South
   America. See Sloth.
   [1913 Webster] Aiblins

WordNet (r) 3.0 (2006):

AI
    n 1: an agency of the United States Army responsible for
         providing timely and relevant and accurate and synchronized
         intelligence to tactical and operational and strategic
         level commanders [syn: Army Intelligence, AI]
    2: the branch of computer science that deal with writing
       computer programs that can solve problems creatively;
       "workers in AI hope to imitate or duplicate intelligence in
       computers and robots" [syn: artificial intelligence, AI]
    3: a sloth that has three long claws on each forefoot and each
       hindfoot [syn: three-toed sloth, ai, Bradypus
       tridactylus]
    4: the introduction of semen into the oviduct or uterus by some
       means other than sexual intercourse [syn: artificial
       insemination, AI]

The Free On-line Dictionary of Computing (19 January 2023):

ai

    The country code for Anguilla.

   (1999-01-27)


The Free On-line Dictionary of Computing (19 January 2023):

artificial intelligence
AI

    (AI) The subfield of computer
   science concerned with the concepts and methods of symbolic
   inference by computer and symbolic knowledge representation
   for use in making inferences.  AI can be seen as an attempt to
   model aspects of human thought on computers.  It is also
   sometimes defined as trying to solve by computer any problem
   that a human can solve faster.  The term was coined by
   Stanford Professor John McCarthy, a leading AI researcher.

   Examples of AI problems are computer vision (building a
   system that can understand images as well as a human) and
   natural language processing (building a system that can
   understand and speak a human language as well as a human).
   These may appear to be modular, but all attempts so far (1993)
   to solve them have foundered on the amount of context
   information and "intelligence" they seem to require.

   The term is often used as a selling point, e.g. to describe
   programming that drives the behaviour of computer characters
   in a game.  This is often no more intelligent than "Kill any
   humans you see; keep walking; avoid solid objects; duck if a
   human with a gun can see you".

   See also AI-complete, neats vs. scruffies, neural
   network, genetic programming, fuzzy computing,
   artificial life.

   ACM SIGART (http://sigart.acm.org/).  U Cal Davis
   (http://phobos.cs.ucdavis.edu:8001).  CMU Artificial
   Intelligence Repository
   (http://cs.cmu.edu/Web/Groups/AI/html/repository.html).

   (2002-01-19)


The Jargon File (version 4.4.7, 29 Dec 2003):

AI
 /A·I/, n.

    Abbreviation for ‘Artificial Intelligence’, so common that the full form is
    almost never written or spoken among hackers.