av

from WordNet (r) 3.0 (2006)

Av
    n 1: the eleventh month of the civil year; the fifth month of
         the ecclesiastical year in the Jewish calendar (in July and
         August) [syn: {Ab}, {Av}]

from The Collaborative International Dictionary of English v.0.48

Av \Av\ n.
   1. the eleventh month of the civil year; the fifth month of
      the ecclesiastical year in the Jewish calendar (in July
      and August).

   Syn: Ab
        [WordNet 1.5]

from The Free On-line Dictionary of Computing (8 July 2008)

avatar
av

   1. <chat, virtual reality> An {image} representing a user in a
   multi-user {virtual reality} (or VR-like, in the case of
   {Palace}) space.

   2. (CMU, Tektronix) {root}, {superuser}.  There are quite a
   few {Unix} computers on which the name of the superuser
   account is "avatar" rather than "root".  This quirk was
   originated by a {CMU} hacker who disliked the term
   "superuser", and was propagated through an ex-CMU hacker at
   {Tektronix}.

   [{Jargon File}]

   (1997-09-14)

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

AV
       Audio/Video, "A/V"

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

AV
       AudioVisual [macintosh] (Apple)