airspace

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the space in the atmosphere immediately above the earth
• Syn:
air space
• Hypernyms:
space
• Part Holonyms:
atmosphere, air
2. the atmosphere above a nation that is deemed to be under its jurisdiction
- the plane was refused permission to enter Chinese airspace
• Hypernyms:
atmosphere, air