Meaning of the word flue in English

What does flue mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

flue

US /fluː/
UK /fluː/

Noun

a duct for smoke and waste gases produced by a fire, a gas heater, or a furnace

Example:
The chimney flue needed to be cleaned before winter.
A blocked flue can be very dangerous.