Source : Webster's Revised Unabridged Dictionary (1913)

Stovepipe \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}, the common tall silk hat. [Slang, U.S.]

Source : WordNet®

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}]