DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   bridle
       n 1: headgear for a horse; includes a headstall and bit and
            reins to give the rider or driver control
       2: the act of restraining power or action or limiting excess;
          "his common sense is a bridle to his quick temper" [syn:
          bridle, check, curb]
       v 1: anger or take offense; "She bridled at his suggestion to
            elope"
       2: put a bridle on; "bridle horses" [ant: unbridle]
       3: respond to the reins, as of horses