control tower

/K AH0 N T R OW1 L T AW1 ER0/
noun
  1. 1

    An airport building from which the air traffic control unit monitors and directs the movement of aircraft on and around the airport.

  2. 2

    An enclosed, raised structure occupied by one or more persons who operate or exercise control over railway traffic, ship movement, a racetrack, machinery, etc.

Source: https://en.wiktionary.org/wiki/control%20tower