Chim·ney, n.; pl. Chimneys
 1. A fireplace or hearth. [Obs.]
 2. 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.
    Hard by a cottage chimney smokes.   --Milton.
 3. A tube usually of glass, placed around a flame, as of a lamp, to create a draft, and promote combustion.
 4. Min. A body of ore, usually of elongated form, extending downward in a vein.
 Chimney board, a board or screen used to close a fireplace; a fireboard.
 Chimney cap, a device to improve the draught of a chimney, by presenting an exit aperture always to leeward.
 Chimney corner, the space between the sides of the fireplace and the fire; hence, the fireside.
 Chimney hook, a hook for holding pats and kettles over a fire,
 Chimney money, hearth money, a duty formerly paid in England for each chimney.
 Chimney pot Arch., a cylinder of earthenware or sheet metal placed at the top of a chimney which rises above the roof.
 Chimney swallow. Zool. (a) An American swift (Chæture pelasgica) which lives in chimneys. (b) In England, the common swallow (Hirundo rustica).
 Chimney sweep, Chimney sweeper, one who cleans chimneys of soot; esp. a boy who climbs the flue, and brushes off the soot.

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 Hearth n.
 1. The pavement or floor of brick, stone, or metal in a chimney, on which a fire is made; the floor of a fireplace; also, a corresponding part of a stove.
    There was a fire on the hearth burning before him.   --Jer. xxxvi. 22.
 Where fires thou find'st unraked and hearths unswept.
 There pinch the maids as blue as bilberry.   --Shak.
 2. The house itself, as the abode of comfort to its inmates and of hospitality to strangers; fireside.
    Household talk and phrases of the hearth.    --Tennyson.
 3. Metal. & Manuf. The floor of a furnace, on which the material to be heated lies, or the lowest part of a melting furnace, into which the melted material settles; as, an open-hearth smelting furnace.
 Hearth ends Metal., fragments of lead ore ejected from the furnace by the blast.
 Hearth money, Hearth penny [AS. heorðpening], a tax formerly laid in England on hearths, each hearth (in all houses paying the church and poor rates) being taxed at two shillings; -- called also chimney money, etc.
    He had been importuned by the common people to relieve them from the . . . burden of the hearth money.   --Macaulay.

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