stove·pipe /ˈstovˌpaɪp/
  火爐的煙囪,大禮帽
  Stove·pipe n. Pipe made of sheet iron in length and angular or curved pieces fitting together, -- used to connect a portable stove with a chimney flue.
  Stovepipe hat, A tall silk hat with a brim, worn commonly as an item of formal dress by gentlemen in the late 1800's. [Slang, U.S.]
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  stovepipe
       n 1: chimney consisting of a metal pipe of large diameter that is
            used to connect a stove to a flue
       2: a man's hat with a tall crown; usually covered with beaver
          or silk [syn: dress hat, high hat, opera hat, silk
          hat, top hat, topper, beaver]