P.O.

Definitions of P.O.
  1. noun
    a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
    synonyms: PO, petty officer
    see moresee less
    types:
    master-at-arms
    the senior petty officer; responsible for discipline aboard ship
    SCPO, senior chief petty officer
    a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army
    type of:
    enlisted officer, noncom, noncommissioned officer
    a military officer appointed from enlisted personnel
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