Search Result for "airspace": 
Wordnet 3.0

NOUN (2)

1. the space in the atmosphere immediately above the earth;
[syn: airspace, air space]

2. the atmosphere above a nation that is deemed to be under its jurisdiction;
- Example: "the plane was refused permission to enter Chinese airspace"



The Collaborative International Dictionary of English v.0.48:

airspace \air"space`\ n.
   1. the atmosphere above a nation and deemed to be under its
      jurisdiction.
      [WordNet 1.5]


WordNet (r) 3.0 (2006):

airspace
    n 1: the space in the atmosphere immediately above the earth
         [syn: airspace, air space]
    2: the atmosphere above a nation that is deemed to be under its
       jurisdiction; "the plane was refused permission to enter
       Chinese airspace"