·p.pr. & ·vb.n. of Air.
II. Airing ·noun A walk or a ride in the open air; a short excursion for health's sake.
III. Airing ·noun An exposure to air, or to a fire, for warming, drying, ·etc.; as, the airing of linen, or of a room.
A wooden platform, on which gunpowder is aired and dried. ...
The Sailor's Word-Book