DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   prop
       n 1: a support placed beneath or against something to keep it
            from shaking or falling
       2: any movable articles or objects used on the set of a play or
          movie; "before every scene he ran down his checklist of
          props" [syn: property, prop]
       3: a propeller that rotates to push against air [syn: airplane
    propeller, airscrew, prop]
       v 1: support by placing against something solid or rigid; "shore
            and buttress an old building" [syn: prop up, prop,
            shore up, shore]