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officer (EN)
noun

noun “officer”

singular officer, plural officers
  1. a person with a leadership role in organizations like the military, police, or government
    The officer commanded his troops to prepare for the upcoming mission.
  2. a polite way to speak to a police officer
    Could you help me find my way, officer?
  3. in the US, a formal title used for a police officer
    Officer Smith responded to the emergency call last night.
  4. someone who has a job in a government department
    The welfare officer at the school helps students with financial difficulties.