Definition of chimney
plural chimneys
2
: a vertical structure incorporated into a building and enclosing a flue or flues that carry off smoke;
especially
: the part of such a structure extending above a roof
3
: smokestack
4
: a tube usually of glass placed around a flame (as of a lamp)
5
: something resembling a chimney: such as
a
: a narrow cleft or passage in rock
b
: a tall column of rock on the ocean floor that is formed by the precipitation of minerals from superheated water issuing from a hydrothermal vent and rising through the column of rock
