Admiral (noun)

1. A senior naval officer of high rank.
2. A high-ranking naval officer in charge of a fleet or naval command.

Origin:

Middle english: from old french amiral, from arabic amīr-al-"commander of" (the fleet).

Examples:

1. He was appointed as an admiral in the navy.
2. She is the first female admiral in the navy.
3. The admiral commands the fleet.
4. The admiral is responsible for the navy's strategy.
5. The admiral is being promoted to the highest rank in the navy.