:an order given
- The command was to hold fire.
- a dog trained to attack on command [=in response to a command]
:a signal that actuates a device (such as a control mechanism in a spacecraft or one step in a computer);
:the activation of a device by means of such a signal
:the ability to control :mastery
- She was in command of her emotions.
:the authority or right to command
:the power to dominate
- The fort has command of the valley.
:scope of vision
- The tower provides a wide command of the neighboring hills.
- a pitcher with good command of his curveball
:the act of commanding
- The troops will charge at command.
:the personnel, area, or organization under a commander;
:a unit of the U.S. Air Force higher than an air force
:a position of highest usually military authority
- He was relieved of his command after being charged with misconduct.