| Flue 1. (n.) A pipe in a chimney or organ for directing a current of air or gasses; an air passage. 2. (n.) A compartment or division of a chimney for conveying flame and smoke to the outer air. 3. (n.) A passage way for conducting a current of fresh, foul, or heated air from one place to another. 4. (n.) 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. 5. (n.) Light down, such as rises from cotton, fur, etc.; very fine lint or hair. Thesaurus Entries 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 |