Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

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}]
     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}]
     3: a sloth that has three long claws on each forefoot [syn: {three-toed
        sloth}, {Bradypus tridactylus}]
     4: the introduction of semen into the oviduct or uterus by some
        means other than sexual intercourse [syn: {artificial
        insemination}]

Source : Free On-Line Dictionary of Computing

AI
     
        {artificial intelligence}

ai
     
         The {country code} for Anguilla.
     
        (1999-01-27)