definitions

P.O. (n.)

1.(British;abbreviation)a noncommissioned officer in the navy with a rank comparable to sergeant in the army

PO (n.)

1.an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States

2.a noncommissioned officer in the navy with a rank comparable to sergeant in the army

Po (n.)

1.a European river; flows into the Adriatic Sea

2.a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor

 synonyms [top]

P.O. (n.)

petty officer, PO, U.S.P.O. (American, abbreviation)

P.O. (n.) (British;abbreviation)

petty officer, PO, U.S.P.O. (American, abbreviation)

 phrases [top]

+Li Po • PO Box No • PO box number • Po River • po-faced

 
 The Integral Dictionary & Wordnet [top]

P.O. (n.) [British, abbreviation]