P.O.

Thesaurus

Noun

1.

P.O. - a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Armypetty officer, POmaster-at-arms - the senior petty officer; responsible for discipline aboard shipenlisted officer, noncom, noncommissioned officer - a military officer appointed from enlisted personnelSCPO, senior chief petty officer - a senior noncommissioned officer in the Navy or Coast Guard with a rank comparable to master sergeant in the Army

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