Definition of officer
- officer Noun One who has a position of authority in a hierarchical organization, especially in military, police or government organizations.
- officer Noun One who holds a public office.
- officer Noun An agent or servant imparted with the ability, to some degree, to act on initiative.
- officer Noun A simple contraction of the term "commissioned officer."
- officer Verb To supply with "officers".
- officer Verb To command like an "officer".