air traffic control
noun /ˌeə træfɪk kənˈtrəʊl/
/ˌer træfɪk kənˈtrəʊl/
[uncountable]- the activity of giving instructions by radio to pilots of aircraft so that they know when and where to take off or land
- air traffic control systems
- the air traffic control tower
- the group of people or the organization that provides an air traffic control service
- The pilot was given clearance to land by air traffic control.