flue Meaning, Definition & Usage

  1. noun flat bladelike projection on the arm of an anchor
    fluke.
  2. noun organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
    flue pipe; labial pipe.
  3. noun a conduit to carry off smoke

WordNet

Flue noun
Etymology
Cf. OF. flue a flowing, fr. fluer to flow, fr. L. fluere (cf. Fluent); a perh. a corruption of E. flute.
Definitions
  1. An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage; esp.: (a) A compartment or division of a chimney for conveying flame and smoke to the outer air. (b) A passage way for conducting a current of fresh, foul, or heated air from one place to another. (c) (Steam Boiler) A pipe or passage for conveying flame and hot gases through surrounding water in a boiler; -- distinguished from a tube which holds water and is surrounded by fire. Small flues are called fire tubes or simply tubes.
Flue noun
Etymology
Cf. F. flou light, tender, G. flau weak, W. llwch dust.
Definitions
  1. Light down, such as rises from cotton, fur, etc.; very fine lint or hair. Dickens.

Webster 1913