Air"ing (âr"ng), n. 1. A walk or a ride in the open air; a short excursion for health's sake.
2. An exposure to air, or to a fire, for warming, drying, etc.; as, the airing of linen, or of a room.
Air" jack`et (&?;). A jacket having air-tight cells, or cavities which can be filled with air, to render persons buoyant in swimming.
Air"less (&?;), a. Not open to a free current of air; wanting fresh air, or communication with the open air.
Air" lev`el (&?;). Spirit level. See Level.
Air"like` (&?;), a. Resembling air.
Air"ling (&?;), n. A thoughtless, gay person. [Obs.] "Slight airlings." B. Jonson.
Air*om"e*ter (&?;), n. [Air + - meter.] A hollow cylinder to contain air. It is closed above and open below, and has its open end plunged into water.
Air" pipe` (&?;). A pipe for the passage of air; esp. a ventilating pipe.
Air" plant` (&?;). (Bot.) A plant deriving its sustenance from the air alone; an aërophyte.
The "Florida moss" (Tillandsia), many tropical orchids, and most mosses and lichens are air plants. Those which are lodged upon trees, but not parasitic on them, are epiphytes.
Air" poise` (&?;). [See Poise.] An instrument to measure the weight of air.
Air" pump` (&?;). 1. (Physics) A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space.
2. (Steam Engines) A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
Air" sac` (&?;). (Anat.) One of the spaces in different parts of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.
Air" shaft` (&?;). A passage, usually vertical, for admitting fresh air into a mine or a tunnel.
Air"-slacked` (&?;), a. Slacked, or pulverized, by exposure to the air; as, air-slacked lime.
Air" stove` (&?;). A stove for heating a current of air which is directed against its surface by means of pipes, and then distributed through a building.
Air"-tight` (&?;), a. So tight as to be impermeable to air; as, an air-tight cylinder.
Air"-tight`, n. A stove the draft of which can be almost entirely shut off. [Colloq. U. S.]
Air" ves`sel (&?;). A vessel, cell, duct, or tube containing or conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheæ, of plants spiral vessels.
{ Air"ward (&?;), Air"wards (&?;), } adv. Toward the air; upward. [R.] Keats.
Air"y (&?;), a. 1. Consisting of air; as, an airy substance; the airy parts of bodies.
2. Relating or belonging to air; high in air; aërial; as, an airy flight. "The airy region." Milton.
3. Open to a free current of air; exposed to the air; breezy; as, an airy situation.
4. Resembling air; thin; unsubstantial; not material; airlike. "An airy spirit." Shak.