Definify.com
Webster 1913 Edition
Chimney
Chim′ney
,Noun.
pl. 
Chimneys 
(#)
. [F. 
cheminée
, LL. caminata
, fr. L. caminus 
furnace, fireplace, Gr. [GREEK] 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
. (Zool.) 
(a) 
An American swift (
Chæture 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.
 Webster 1828 Edition
Chimney
CHIMNEY
, n.1.
  In architecture, a body of brick or stone, erected in a building, containing a funnel or funnels, to convey smoke, and other volatile matter through the roof, from the hearth or fire-place, where fuel is burnt.  This body of materials is sometimes called a stack of chimneys, especially when it contains two or more funnels, or passages.2.
  A fireplace; the lower part of the body of brick or stone which confines and conveys smoke.Definition 2025
chimney
chimney
See also: çhymney
English
Noun
chimney (plural chimneys)
-  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.
-  1883: Robert Louis Stevenson, Treasure Island
- Our chimney was a square hole in the roof: it was but a little part of the smoke that found its way out, and the rest eddied about the house, and kept us coughing and piping the eye.
 
 
 -  1883: Robert Louis Stevenson, Treasure Island
 - The glass flue surrounding the flame of an oil lamp.
 - (Britain) The smokestack of a steam locomotive.
 - A narrow cleft in a rock face; a narrow vertical cave passage.
 
Derived terms
Terms derived from chimney
Translations
vertical tube or hollow column; a flue
  | 
  | 
glass flue surrounding the flame of an oil lamp
  | 
UK: smokestack of a steam locomotive
narrow cleft in a rock face
Verb
chimney (third-person singular simple present chimneys, present participle chimneying, simple past and past participle chimneyed)
- (climbing) To negotiate a chimney (sense #4) by pushing against the sides with back, feet, hands, etc.