Main definitions of po in US English:

: Po1Po2PO3

Po1

proper noun

  • A river in northern Italy. Italy's longest river, it rises in the Alps near the border with France and flows 415 miles (668 km) east to the Adriatic Sea.

Pronunciation

Po

/poʊ/

Main definitions of po in US English:

: Po1Po2PO3

Po2

  • The chemical element polonium.

Pronunciation

Po

/poʊ/

Main definitions of po in US English:

: Po1Po2PO3

PO3

abbreviation

  • 1Petty Officer.

  • 2Postal order.

  • 3Post Office.

  • 4Purchase order.

Pronunciation

PO

/ˌpi ˈoʊ/