noun

• A person who blows.
• (mining) A fissure from which firedamp issues, often in quantity for many years.
• Any device that blows; often, especially, a furnace component or a supercharger.
• A ducted fan, usually part of a heating, ventilation, and/or air conditioning system.
• (slang, chiefly Britain, New Zealand, Australia, Ireland, usually preceded by the) Telephone.
• (slang, UK, Ireland, historical) A telephone service providing betting odds and commentary, relayed to customers in a bookmaker's shop via loudspeaker.
• (dated) A braggart, or loud talker.
• The whale; so called by seamen, from its habit of spouting up a column of water.
• A small fish of the Atlantic coast, Sphoeroides maculatus; the puffer.
• A surname originating as an occupation.