Air that is heated and directed through ducts, plenums, etc. to the rooms in a building, as a form of central heating.

(UK, aviation) A male flight attendant; a steward.

The crew of a passenger plane; the flight crew

(warfare) The practice of bombing ground targets during air raids.

plural of air stewardess

plural of air steward

(offensive, dated outside Malaysia and Singapore) A female flight attendant.

plural of air host

(Malaysia, Singapore, aviation) A male flight attendant

plural of night air