Found 2 items, similar to airspace.
English → English (WordNet) Definition: airspace airspace n 1: the space in the atmosphere immediately above the earth [syn: 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”
English → English (gcide) Definition: airspace airspace \air"space`\ n. 1. the atmosphere above a nation and deemed to be under its jurisdiction. [WordNet 1.5]