cow·catch·er /ˈkaʊˌkæʧɚ/
  排障器,廣告
  Cow·catch·er n. A strong inclined frame, usually of wrought-iron bars, in front of a locomotive engine, for catching or throwing off obstructions on a railway, as cattle; the pilot. [U.S.]
  Syn: -- fender, buffer, pilot.
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  cowcatcher
       n : an inclined metal frame at the front of a locomotive to
           clear the track [syn: fender, buffer, pilot]