P.O.

I. (noun)

Meaning:

A noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army

Synonyms:

P.O.; petty officer; PO

Classified under:

Nouns denoting people

Hypernyms ("P.O." is a kind of...):

enlisted officer; noncom; noncommissioned officer (a military officer appointed from enlisted personnel)

Hyponyms (each of the following is a kind of "P.O."):

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)