Definitions

1. noun

a person who is in charge of a group or organization, especially a military unit.

“The commander of the spaceship gave orders to the crew to prepare for landing.”

2. noun

a person who has command of a ship, especially a warship.

“The commander of the aircraft carrier was responsible for the safety of the entire crew.”

3. verb

to give orders or instructions to someone, especially in a military context.

“The general will command the troops to move out at dawn.”