[fluː], (Noun)

Definitions:
- a duct for smoke and waste gases produced by a fire, a gas heater, a power station, or other fuel-burning installation
(e.g: no air rises up the chimney, usually because the flue is blocked)


Phrases:

Origin:
late Middle English (denoting the mouthpiece of a hunting horn): of unknown origin. Current senses date from the late 16th century