1. (n.) A fireplace or hearth.
2. (n.) That part of a building which contains the smoke flues; esp. an upright tube or flue of brick or stone, in most cases extending through or above the roof of the building. Often used instead of chimney shaft.
3. (n.) A tube usually of glass, placed around a flame, as of a lamp, to create a draft, and promote combustion.
4. (n.) A body of ore, usually of elongated form, extending downward in a vein.
Thesaurus Entries
abysm, abyss, arroyo, box canyon, breach, break, canyon, cavity, chap, chasm, check, chimney corner, chink, chute, cleft, cleuch, clough, col, coulee, couloir, country rock, crack, cranny, crevasse, crevice, cut, cwm, defile, dell, deposit, dike, ditch, donga, draw, excavation, fault, fender, fire screen, fireboard, fireguard, fireplace, fireside, fissure, flaw, flue, flue pipe, flume, fracture, fumarole, funnel, furrow, gangue, gap, gape, gash, gorge, groove, gulch, gulf, gully, hearth, hearthstone, hob, hole, hub, incision, ingle, inglenook, ingleside, joint, kloof, leak, lode, lodestuff, matrix, mineral deposit, moat, notch, nullah, opening, ore bed, pass, passage, pay dirt, ravine, rent, rift, rime, rupture, scissure, seam, shoot, slit, slot, smokehole, smokeshaft, smokestack, split, stack, stock, stovepipe, trench, valley, vein, void, wadi
