blower

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that blows, especially a mechanical device, such as a fan, that produces a current of air.
• noun Slang A braggart.
• noun Chiefly British Slang A telephone.

from The Century Dictionary.

• noun A plant that blows.
• noun One who blows. Specifically— One who is employed in a blowing-house for smelting tin.
• noun In a glass-factory, the workman who blows the melted glass into shape.
• noun 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.
• noun In coal-mining, an escape, under pressure and with high velocity, of gas or firedamp from the coal.
• noun A man employed in a mine in blasting.
• noun 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.
• noun A marine animal, as a whale, which spouts up water.
• noun One who brags; a boaster.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who, or that which, blows.
• noun (Mech.) A device for producing a current of air; as: (a) A metal plate temporarily placed before the upper part of a grate or open fire. (b) A machine for producing an artificial blast or current of air by pressure, as for increasing the draft of a furnace, ventilating a building or shaft, cleansing gram, etc.
• noun A blowing out or excessive discharge of gas from a hole or fissure in a mine.
• noun The whale; -- so called by seamen, from the circumstance of its spouting up a column of water.
• noun (Zoöl.) A small fish of the Atlantic coast (Tetrodon turgidus); the puffer.
• noun Slang A braggart, or loud talker.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who blows.
• noun Any device that blows.
• noun slang, dated, chiefly UK Telephone.
• noun A ducted fan, usually part of a heating, ventilation, and/or air conditioning system.
• noun dated A braggart, or loud talker.
• noun The whale; so called by seamen, from its habit of spouting up a column of water.
• noun A small fish of the Atlantic coast, Tetrodon turgidus; the puffer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a fan run by an electric motor
• noun a device that produces a current of air
• noun large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals