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

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Account Information Security


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Alarm Indication Signal (UNI, ATM, OAM, DS3/E3)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Application Information Service (MS, Windows, Vista)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Applied Information Sciences (manufacturer)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Applied Information Systems (manufacturer)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Arbeitgeber-Informations-Service (WWW)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Automated Information System


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

AIS
       Autonomous Intelligent System