• IPA: /fluː/
  • (obsolete) IPA: /fljuː/

flue (plural flues)

  1. A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).
  2. An enclosed passageway in which to direct air or other gaseous current along.
  3. (obsolete, countable and uncountable) A woolly or downy substance; down, nap; a piece of this.
  4. In an organ flue pipe, the opening between the lower lip and the languet.
Related terms Translations Translations Adjective


  1. (UK, dialect) Alternative form of flew#English|flew (“shallow, flat”)

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