Source : WordNet®

var
     n : a unit of electrical power in an AC circuit equal to the
         power dissipated when 1 volt produces a current of 1
         ampere [syn: {volt-ampere}]

Source : Free On-Line Dictionary of Computing

VAR
     
        1. {Value Added Reseller} (or retailer).
     
        2. /veir/ or /var/ Short for "variable".  Compare {arg},
        {param}.
     
        [{Jargon File}]