Flue

n.	1.	(Steam Boiler) An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage
	2.	In an organ flue pipe, the opening between the lower lip and the languet. 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.
	1.	Light down, such as rises from cotton, fur, etc.; very fine lint or hair.

Noun	1.	flue - flat blade-like projection on the arm of an anchor Synonyms: fluke
	2.	flue - organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip Synonyms: flue pipe, labial pipe
	3.	flue - a conduit to carry off smoke

air, blubber, breeze, bubble, butter, chaff, chimney, chimney corner, chip, clay, cobweb, cork, cushion, dough, down, dust, eiderdown, ether, fairy, feather, feather bed, feathers, fender, fire screen, fireboard, fireguard, fireplace, fireside, fleece, floss, flue pipe, fluff, foam, froth, fumarole, funnel, fur, fuzz, gossamer, hearth, hearthstone, hob, hub, ingle, inglenook, ingleside, kapok, lint, mote, pile, pillow, plush, pudding, puff, putty, rubber, satin, silk, smokehole, smokeshaft, smokestack, sponge, spume, stack, stovepipe, straw, swansdown, thistledown, velvet, wax, wool, zephyr