Meaning of flue
- a passage or duct for smoke in a chimney.
- any duct or passage for air, gas, or the like.
- a tube, esp. a large one, in a fire-tube boiler.
- Seeflue pipe.
- Also calledwindway.a narrow slit in the upper end of an organ pipe through which the air current is directed.
- downy matter; fluff.
- a fishing net.
- flue (Thesaurus)