n. One who blows. Specifically— One who is employed in a blowing-house for smelting tin.n. In a glass-factory, the workman who blows the melted glass into shape.n. A screen or cover of metal fitted to an open fireplace in such a way that when it is placed in position access of air to the chimney is closed except from the bottom, or through the fire itself: used to promote combustion, especially when the fire is first kindled, by concentrating the draft upon the substance to be ignited.n. In coal-mining, an escape, under pressure and with high velocity, of gas or firedamp from the coal.n. A man employed in a mine in blasting.n. A machine for forcing air into a furnace, mine, cistern, hold of a ship, public building, etc., to assist in drying, evaporating, and the like; a blowing-machine. See blowing-engine, blowing-machine.n. A marine animal, as a whale, which spouts up water.n. One who brags; a boaster.n. A plant that blows.