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
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