DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   whiteout
       n 1: an arctic atmospheric condition with clouds over snow
            produce a uniform whiteness and objects are difficult to
            see; occurs when the light reflected off the snow equals
            the light coming through the clouds
       v 1: cover up with a liquid correction fluid; "white-out the
            typo" [syn: whiteout, white out]
       2: lose daylight visibility in heavy fog, snow, or rain [syn:
          white-out, whiteout]