Definitions for: Flue

[n] a conduit to carry off smoke
[n] organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
[n] flat blade-like projection on the arm of an anchor

Webster (1913) Definition: Flue, n. [Cf. OF. flue a flowing, fr. fluer to flow, fr.
L. fluere (cf. Fluent); a perh. a corruption of E. flute.]
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 boiler. See under Boiler.

Flue bridge, the separating low wall between the flues and
the laboratory of a reverberatory furnace.

Flue plate (Steam Boiler), a plate to which the ends of the
flues are fastened; -- called also flue sheet, {tube
sheet}, and tube plate.

Flue surface (Steam Boiler), the aggregate surface of flues
exposed to flame or the hot gases.

Flue, n. [Cf. F. flou light, tender, G. flau weak, W.
llwch dust. [root]84.]
Light down, such as rises from cotton, fur, etc.; very fine
lint or hair. --Dickens.

Flue, n.
In an organ flue pipe, the opening between the lower lip and
the languet.

Synonyms: flue pipe, fluke, labial pipe

See Also: anchor, chimney, chimneystack, conduit, ground tackle, lamp chimney, organ pipe, pipe, pipework, projection

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