1. people who have authority over a group, especially in the military
2. naval officers ranking above lieutenant commander and below captain
Usage: military rank

Examples

• The commanders met to discuss battle strategy.
• Military commanders must make difficult decisions under pressure.
• The ship’s commanders were experienced naval officers.
• Regional commanders reported to headquarters daily.
• The commanders ordered their troops to advance.
• Both commanders agreed to a temporary ceasefire.
• The new commanders took charge of their units immediately.