noun
flue
floo
noun
1
A pipe or duct that carries smoke or hot gases away from a fire, furnace, or boiler.
"A blocked chimney flue can cause smoke to fill the room."
How to Use Flue
Learner’s notesIn plain EnglishThe pipe or channel that carries smoke and fumes safely out of a building.
Common mistake
Don't confuse with "flu" (the illness) — completely unrelated despite sounding the same.
Easily confused with
Common pairings
chimney flue
flue pipe
blocked flue
Word Forms
flues plural
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A blocked chimney _____ can cause smoke to fill the room.
Etymology
Origin uncertain, first recorded in Middle English; possibly linked to an Old English word for "flow."