Ais

from 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

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Account Information Security

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

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

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Applied Information Sciences (manufacturer)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Applied Information Systems (manufacturer)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Automated Information System

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Arbeitgeber-Informations-Service (WWW)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

AIS
       Autonomous Intelligent System