Definition of "blower"

blower

/ˈbləʊɚ/

noun
plural blowers
1. A person who blows.
2. Any device that blows; often, especially, a furnace component or a supercharger.
  Quotations
  The locomotive […] was quietly "blowing off" on one Ross "pop" valve, whilst the rhythmic clanging of the fireman's shovel, the black smoke pouring from her chimney, and the harsh sound of the blower told of the proximity of departure time.
  1942 July–August, Philip Spencer, “On the Footplate in Egypt”, in Railway Magazine, page 208
  1. A ducted fan, usually part of a heating, ventilation, and/or air conditioning system.
3. (slang, chiefly Britain, New Zealand, Australia, Ireland, usually preceded by the) Telephone.
  1. (slang, UK, Ireland, historical) A telephone service providing betting odds and commentary, relayed to customers in a bookmaker's shop via loudspeaker.
4. (dated) A braggart, or loud talker.
  Quotations
  There hangs something majestic about a man who has borne his part in battles, especially if he is very quiet regarding it when you desire him to unbosom. I am continually lost at the absence of blowing and blowers among these old-young American militaires.
  1999, John Harmon McElroy, editor, The Sacrificial Years: A Chronicle of Walt Whitman's Experiences in the Civil War, page 29
5. The whale; so called by seamen, from its habit of spouting up a column of water.
6. A small fish of the Atlantic coast, Sphoeroides maculatus; the puffer.