chimney

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A passage through which smoke and gases escape from a fire or furnace; a flue.
• noun The usually vertical structure containing a chimney.
• noun The part of such a structure that rises above a roof.
• noun Chiefly British A smokestack, as of a ship or locomotive.
• noun A glass tube for enclosing the flame of a lamp.
• noun Something, such as a narrow cleft in a cliff, resembling a chimney.

from The Century Dictionary.

• noun A vent through which volcanic eruption has taken place.
• noun A very narrow cleft in a cliff.
• noun A fireplace or hearth.
• noun A furnace; a forge.
• noun A vertical structure containing a passage or main flue by which the smoke of a fire or furnace escapes to the open air, or other vapors are carried off; in a steam-engine, the funnel.
• noun Anything resembling a chimney.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete A fireplace or hearth.
• noun 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.
• noun A tube usually of glass, placed around a flame, as of a lamp, to create a draft, and promote combustion.
• noun (Min.) A body of ore, usually of elongated form, extending downward in a vein.
• noun a board or screen used to close a fireplace; a fireboard.
• noun a device to improve the draught of a chimney, by presenting an exit aperture always to leeward.
• noun the space between the sides of the fireplace and the fire; hence, the fireside.
• noun a hook for holding pats and kettles over a fire
• noun hearth money, a duty formerly paid in England for each chimney.
• noun (Arch.) a cylinder of earthenware or sheet metal placed at the top of a chimney which rises above the roof.
• noun (Zoöl.) In England, the common swallow (Hirundo rustica).
• noun one who cleans chimneys of soot; esp. a boy who climbs the flue, and brushes off the soot.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon or hydro-carbon based fuels); a flue.
• noun The glass flue surrounding the flame of an oil lamp.
• noun UK The smokestack of a steam locomotive.
• noun A narrow cleft in a rock face; a narrow vertical cave passage.
• verb climbing To negotiate a chimney (sense #4) by pushing against the sides with back, feet, hands, etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building
• noun a glass flue surrounding the wick of an oil lamp