English noun: P.O. | |||
1. | P.O. (person) a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army | ||
Synonyms | petty officer, PO | ||
Broader (hypernym) | enlisted officer, noncom, noncommissioned officer | ||
Narrower (hyponym) | master-at-arms, SCPO, senior chief petty officer | ||