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REFERENCE

commander

n.
US //kəˈmændɝ// UK //kəmˈɑːndɐ// com·man·der
  1. 1 military leader (n.)
    B2 Upper Intermediate

    a person who is in charge of a military group or operation.

    an officer who exercises authority and direction over a military or naval unit.

    Example

    The commander ordered the soldiers to return to the base immediately.

    Example

    The supreme commander coordinated the joint task force across three different time zones to ensure the operation's success.

  2. 2 naval rank (n.)
    C1 Advanced Technical

    a specific rank for an officer in the navy, just below a captain.

    a naval officer rank positioned above lieutenant commander and below captain.

    Example

    After ten years of service, she was promoted to the rank of commander.

    Example

    The commander took charge of the frigate while the captain was attending the briefing at headquarters.

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  1. 3 police or space official (n.)
    B2 Upper Intermediate

    a high-ranking official in the police or the person in charge of a spacecraft.

    a senior rank in various non-military organisations, such as police forces or NASA flight crews.

    Example

    The mission commander checked the fuel levels before the rocket took off.

    Example

    The incident commander established a perimeter around the building to manage the emergency response effectively.

  2. 4 honorary title (n.)
    C2 Proficiency Formal

    a special title given to someone as an award or honour.

    a specific grade or rank within an order of chivalry or an honorary society.

    Example

    He was made a Commander of the Order of the British Empire for his charity work.

    Example

    The scientist was appointed a Commander of the Legion of Honour in recognition of her contributions to global health.

Origin

From Middle English comaundour, commaunder, comaunder, borrowed from Old French comandeor, cumandeur, from comander. By surface analysis, command + -er. See command.

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