Source : Webster's Revised Unabridged Dictionary (1913)

Chimney \Chim"ney\, n.; pl. {Chimneys}. [F. chemin['e]e, LL.
   caminata, fr. L. caminus furnace, fireplace, Gr. ? furnace,
   oven.]
   1. A fireplace or hearth. [Obs.] --Sir W. Raleigh.

   2. That part of a building which contains the smoke flues;
      esp. an upright tube or flue of brick or stone, in most
      cases extending through or above the roof of the building.
      Often used instead of chimney shaft.

            Hard by a cottage chimney smokes.     --Milton.

   3. A tube usually of glass, placed around a flame, as of a
      lamp, to create a draft, and promote combustion.

   4. (Min.) A body of ore, usually of elongated form, extending
      downward in a vein. --Raymond.

   {Chimney board}, a board or screen used to close a fireplace;
      a fireboard.

   {Chimney cap}, a device to improve the draught of a chimney,
      by presenting an exit aperture always to leeward.

   {Chimney corner}, the space between the sides of the
      fireplace and the fire; hence, the fireside.

   {Chimney hook}, a hook for holding pats and kettles over a
      fire,

   {Chimney money}, hearth money, a duty formerly paid in
      England for each chimney.

   {Chimney pot} (Arch.), a cylinder of earthenware or sheet
      metal placed at the top of a chimney which rises above the
      roof.

   {Chimney swallow}. (Zo["o]l.)
      (a) An American swift ({Ch[ae]ture pelasgica}) which lives
          in chimneys.
      (b) In England, the common swallow ({Hirundo rustica}).

   {Chimney sweep}, {Chimney sweeper}, one who cleans chimneys
      of soot; esp. a boy who climbs the flue, and brushes off
      the soot.

Source : WordNet®

chimney
     n 1: a vertical flue that provides a path through which smoke
          from a fire is carried away through the wall or roof of
          a building
     2: a glass flue surrounding the wick of an oil lamp [syn: {lamp
        chimney}]