1) something (e.g. a gate, bar, objects) that prevents or controls progress or movement (barrier)

2) a person at work who controls or gives orders (boss)

3) (a belief in) a social system in which the State owns and controls the means of wealth and production (communism)

4) a flat panel for the controls of electronic or mechanical equipment (console)

5) a long piece below the windscreen inside a vehicle, with the speedometer, controls etc (dashboard)

6) a person who manages or controls (especially one of a group called 'the Board of Directors") the affairs of a business company (director)

7) a person who organizes and controls a business, a professional sports person etc (manager)

8) a woman who controls a business etc, especially a shop (manageress)

9) a separate part of the surface of a door, wall etc raised above or sunk below the surrounding area; a board or other surface for controls and instruments (panel)

10) first and experimental; a person trained to operate the controls of an aircraft; a person able to direct ships in a port, harbour etc (pilot)