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• po
  po

  noun

  a chamber pot.
• Po
  Po

  noun

  a river in Italy, flowing E from the Alps in the NW to the Adriatic. 418 miles (669 km) long.
• p.o.
  p.o.

  abbreviation

  (in prescriptions) by mouth.
• PO
  PO

  abbreviation

  post office. Also P.O.
• P.O.
  P.O.

  abbreviation

  post office. Also PO

po

¹ American  

[poh] / poʊ /

noun

Australia and New Zealand.

pos plural

1. a chamber pot.

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Po ² American  

[poh] / poʊ /

noun

1. a river in Italy, flowing E from the Alps in the NW to the Adriatic. 418 miles (669 km) long.

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Po ³ American  

Symbol, Chemistry.

1. polonium.

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p.o. ⁴ American  

abbreviation

1. (in prescriptions) by mouth.

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PO ⁵ American  

abbreviation

1. post office. Also P.O.

2. Baseball. putout; putouts.

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P.O. ⁶ American  

abbreviation

1. post office. Also PO

2. parole officer.

3. petty officer.

4. Chiefly British. postal (money) order.

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PO ¹ British  

abbreviation

1. Post Office

2. Personnel Officer

3. petty officer

4. Pilot Officer

5. Also: p.o..  postal order

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Po ² British  

symbol

1. polonium

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Po ³ British  

/ pəʊ /

noun

1. Latin name: Padus.  a river in N Italy, rising in the Cottian Alps and flowing northeast to Turin, then east to the Adriatic: the longest river in Italy. Length: 652 km (405 miles)

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po ⁴ British  

/ pəʊ /

noun

1. an informal word for chamber pot

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Other Word Forms

Inflected Forms

noun

• pos
  plural

Etymology

Origin of po¹

1875–80; probably < French pot ( de chambre ) chamber pot

Origin of p.o.⁴

From Latin per ōs

Example Sentences

Francois Benchendikh, a senior lecturer in public law at the Sciences Po Lille university, said the debate in court will focus on whether the Dunkirk centre is considered to be residential accommodation or not.

From BBC • May 27, 2026

And Gerard’s Paella and Mano Po are among those returning.

From Los Angeles Times • Apr. 1, 2026

The fatal confrontation reportedly began with disturbances outside a conference at Sciences Po, the highly-regarded French political science institute.

From Salon • Mar. 28, 2026

That same conversation, in different languages about different crops, is being replicated from the Punjab in India to Italy’s Po Valley and Brazil’s Cerrado.

From The Wall Street Journal • Mar. 24, 2026

Germany has her Rhine, through Italy’s valleys, the River Po.

From "At Last She Stood" by Erin Entrada Kelly

Related Words

• postal service