• WordNet 3.6
    • n flue a conduit to carry off smoke
    • n flue organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
    • n flue flat bladelike projection on the arm of an anchor
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Webster's Revised Unabridged Dictionary
    • Flue A compartment or division of a chimney for conveying flame and smoke to the outer air.
    • Flue A passage way for conducting a current of fresh, foul, or heated air from one place to another.
    • Flue 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 An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage
    • Flue In an organ flue pipe, the opening between the lower lip and the languet.
    • n Flue flū Light down, such as rises from cotton, fur, etc.; very fine lint or hair.
    • ***
Century Dictionary and Cyclopedia
    • n flue A duct for the conveyance of air, smoke, heat, or gases. Specifically— Formerly, a small winding chimney of a furnace carried up into the main chimney.
    • n flue A pipe or tube for conveying heat to water in certain kinds of steam-boilers.
    • n flue A passage in a wall for the purpose of conducting heated air from one part of a building to another.
    • n flue [See etym.] The winding hollow of a sea-shell.
    • n flue In organ-building, a flute-pipe as distinguished from a mouth-pipe or reed-pipe.
    • n flue The coping of a gable or end-wall of a house, etc.
    • flue To expand or splay, as the jambs of a window.
    • n flue Down or nap; waste downy matter, abounding in spinneries, lint-factories, etc.; downy refuse; fine hair, feathers, flocks of cotton, etc., that cling to clothes.
    • flue Shallow.
    • n flue In whaling, the fluke or barb of a harpoon.
    • n flue A money of account of Morocco, of the value of one twenty-fifth of an English penny, or one thirteenth of a cent.
    • n flue Influenza.
    • n flue A fishing-net, stationary or used as a drag-net.
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Chambers's Twentieth Century Dictionary
    • n Flue flōō a smoke-pipe or small chimney.
    • n Flue flōō light down: soft down or fur
    • adj Flue flōō (prov.) shallow, flat
    • Flue Also Flew
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Webster's Revised Unabridged Dictionary
Cf. OF. flue, a flowing, fr. fluer, to flow, fr. L. fluere,cf. Fluent); a perh. a corruption of E. flute,


In literature:

The iron smoke-pipe from furnace must be conducted to the smoke flue, and the connection between furnace chamber and flue hermetically sealed.
"The Turkish Bath" by Robert Owen Allsop
Communication from every room in a house should be had to such flues.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
Us quarters de good, snug li'l house with flue and oven.
"Slave Narratives: a Folk History of Slavery in the United States From Interviews with Former Slaves" by Work Projects Administration
Was it the wind above the smoke-flue, 65 Muttering down into the wigwam?
"The Song of Hiawatha" by Henry Wadsworth Longfellow
The excess heat escaped through a flue tube in the top of the dome.
"The Thirst Quenchers" by Rick Raphael
Had her son come home and was that why there was such a cloud of smoke in her flue?
"The German Classics of the Nineteenth and Twentieth Centuries" by Various
The opening was narrow like a chimney-flue and it gave me such a start to see some one at the other end.
"The Go Ahead Boys and the Treasure Cave" by Ross Kay
He picked them up and thrust them as far as he could reach up the chimney flue.
"The Deaves Affair" by Hulbert Footner
Flues are just as important to serve as sewers for used air.
"Euthenics, the science of controllable environment" by Ellen H. Richards
In the Bauer system, another vertical flue oven, each flue has its own burner, which is of a simplified construction.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6" by Various

In poetry:

Little fairy snow-flakes
Dancing in the flue;
Old Mr. Santa Claus,
What is keeping you?
Twilight and firelight
Shadows come and go;
"Marjorie’s Almanac" by Thomas Bailey Aldrich
Whose axe the wall of forest broke,
And let the waiting sunshine through?
What goodwife sent the earliest smoke
Up the great chimney flue?
"The Homestead" by John Greenleaf Whittier
And Jack-in-the green, by a clown in blue,
Walks like a two-legged bush of may,
With the little wee lads that wriggled up the flue
Ere Cheltenham town cried "dancing day."
"The Chimney-Sweeps Of Cheltenham" by Alfred Noyes
The stairway creaks with ghostly gusts.
The flue moans--'tis a gorgon throat
Of wailing winds. Ancestral dusts,--
That yonder Indian war-gear coat
With gray and spectral crusts,--
"One Day And Another: A Lyrical Eclogue – Part V" by Madison Julius Cawein
Ah! think not, 'tis the velvet flue
Of hare, or rabbit, tempts your view;
Or silken threads of dazzling hue,
To ease your wing,
The foaming savage, couched for you,
Is on the spring.
"The Spider And The Fly" by Patrick Branwell Bronte
Again I hear him, implike, whine,
Cramped in the gusty flue;
Or knotted in the resinous pine
Raise goblin cry and hue,
While through the smoke his eyeballs shine,
A sooty red and blue.
"The Wind Of Winter" by Madison Julius Cawein

In news:

Tobacco growers in the West Nusa Tenggara province of Indonesia say that low demand and declining prices for flue -cured are threatening their livelihoods, according to a story in The Jakarta Post.
Hot Flue Pipe Blamed for Pa. Fire That Destroyed Three Houses.
In incinerators , generally speaking, flue gas velocities have very little impact on refractory erosion.
I've gotten conflicting advice about the flue.
An obstructed flue from a natural gas heater sent the fumes into the building at Zerega and Newbold Avenues in the Unionport area, a Fire Department spokesman, John Mulligan, said.
Tips & Tricks: Handy Hinge Flue Spreader .
When checking the A/C and heater system the first thing he does is to make sure the flue pipe is clear of insects,animals, dust and debris from the roof to inside the house.
Multi-flue chimneys commonly terminate in a chamber that catches soot from a "cleanout" passage at the bottom of the fireplace.
An improperly installed chimney flue is being blamed for an early Wednesday morning fire that caused damage to a California, Ky.
For many years chimneys have been constructed with flues, also known as liners or flue liners.
Remember to clean out your flue.
If you have a wood burning fireplace, it's important to clean out your flue.
India is said to be closing in on a crop insurance plan for flue- cured tobacco growers, according to a Business Standard story relayed by the TMA.
The restaurant sustained about $2,000 in damage to the flue and a vent motor on the roof of the building.
Officials told the Northwest Arkansas Times an exhaust flue on the roof overheated and caught part of the roof on fire.

In science:

Flue nts and actions are introduced by assertions of the forms fluent(f ) and action(a).
Multi-valued Action Languages in CLP(FD)
Hydrogen is a by-product or "smoke" from the nuclear furnace at the Sun’s core. Hydrogen is most ly consumed by fusion react ions as it moves upward in the so lar "flue." Hydrogen fus ion generates less than 38% of the Sun's energy [15, 16].
Plasma Diffuser Sorts Light Atoms to Solar Surface