Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The portion of the atmosphere above a particular land area, especially that of a political subdivision such as a nation.
  • n. The space occupied by an aircraft.
  • n. A designated sector of space, such as that in the vicinity of an airport.
  • n. Chiefly British Space available for broadcasting within a particular frequency: "Mobile radio has to compete for air space with other services such as broadcast radio, television, and even military services” ( Financial Times).
  • n. See airtime.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.
  • n. A designated part of the sky for aircraft use.
  • n. Space (i.e. a few neighboring frequencies) available for broadcasting within a particular frequency band.
  • n. The portion of an enclosed area which contains air, especially breathable air.
  • n. The cavity in a cavity wall containing air for insulation.

from the GNU version of the Collaborative International Dictionary of English

  • n. the atmosphere above a nation and deemed to be under its jurisdiction.

from The Century Dictionary and Cyclopedia

  • n. In ornithology, an air-cell of large size; an air-receptacle or a pneumatocyst (which see).
  • n. In medicine and sanitary science, the clear cubic contents of a room, as the ward of a hospital, with reference to the respirable air contained in it: as, air-space per man, so many cubic feet.
  • n. In firearms, a vacant space between the powder-charge and the projectile.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the space in the atmosphere immediately above the earth
  • n. the atmosphere above a nation that is deemed to be under its jurisdiction
  • n. the space in the atmosphere immediately above the earth

Etymologies

air +‎ space (Wiktionary)

Examples

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