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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
Synonyms

po

1 American  
[poh] / poʊ /

noun

Australia and New Zealand.
pos plural
  1. a chamber pot.


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.


Po 3 American  
Symbol, Chemistry.
  1. polonium.


p.o. 4 American  

abbreviation

  1. (in prescriptions) by mouth.


PO 5 American  

abbreviation

  1. post office. Also P.O.

  2. Baseball. putout; putouts.


P.O. 6 American  

abbreviation

  1. post office. Also PO

  2. parole officer.

  3. petty officer.

  4. Chiefly British. postal (money) order.


PO 1 British  

abbreviation

  1. Post Office

  2. Personnel Officer

  3. petty officer

  4. Pilot Officer

  5. Also: p.o..  postal order

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Po 2 British  

symbol

  1. polonium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

po 4 British  
/ pəʊ /

noun

  1. an informal word for chamber pot

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of po1

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

Origin of p.o.4

From Latin per ōs

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“I will never know,” writes Warner, “how many po to effect.”

From Washington Post Jun. 8, 2022

I personally like to lightly steam them and then deep fry them as a substitute for oysters in my po boys.

From Salon Jul. 4, 2021

"Ma po tofu has to be a favourite," says David Yeung, a smile evident in his voice.

From BBC Jun. 30, 2020

Your welcome gift bag includes the herbal ointment Tiger Balm and Chinese po chai pills for indigestion.

From New York Times Feb. 9, 2019

People don’t know we just as po’ as po’.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

The Po River has never fallen this low so early in the year, raising fears of a devastating drought in July in this corner of northern Italy.

From Barron's Jun. 27, 2026

“It was me just getting caught up in this vortex,” said Po, 29, whose flexible schedule as a writer allowed him to devote a weekday afternoon to the quest.

From The Wall Street Journal Jun. 12, 2026

Last Thursday at noon in New York City, Enrico Po was poised on his laptop when tickets became available.

From The Wall Street Journal Jun. 12, 2026

Lau's cubicle is one of nine in a single unit, separated by thin wooden dividers, in a 60-year-old building in one of Hong Kong's poorest neighbourhoods, Sham Shui Po.

From Barron's May 28, 2026

Po ly was having difficulty finding each new breath.

From "Copper Sun" by Sharon M. Draper

At first Eliot found Mrs. Sen’s anxiety incomprehensible; his mother had a p.o. box in town, and she collected mail so infrequently that once their electricity was cut off for three days.

From "Interpreter of Maladies" by Jhumpa Lahiri

Many life insurance companies use PO boxes — and as I learned the hard way, you can only send mail to PO boxes via the United States Postal Service.

From Salon Mar. 24, 2026

He has issued an appeal to help find family members and relatives of PO Smith.

From BBC Oct. 26, 2024

The plane in which PO Smith was flying was "a primary weapon of the war in the Pacific".

From BBC Oct. 26, 2024

We don't talk about how much the revolving door of sending people back to jail is just based on who your PO was, who your lawyer was, who your judge was that day.

From Salon Jun. 8, 2023

Breaking his own privacy rules, Bobby even included a PO box number that he could be written to in care of so that the reader could order “additional copies.”

From "Endgame" by Frank Brady

The Skid Row post office opened in the 1990s, Garvins said, and served 364 P.O. boxes.

From Los Angeles Times Jun. 30, 2026

When Paxton, the state attorney general, filed the lawsuit in February suing Dallas, a P.O.

From Salon May 3, 2026

But P.&I.D.’s legal address was a P.O. box on Tortola, in the British Virgin Islands.

From New York Times Feb. 9, 2024

Some marketplaces have the option to mail the product to the buyer and if you choose to do so, experts suggest you use a P.O. box and never share your personal address.

From Los Angeles Times Jan. 9, 2024

He was so enthusiastic about the old days at the P.O.

From "The Pigman" by Paul Zindel

In this enterprise heaven's cooperation is assured, providing we make its cooperation pos sible.

From Time Magazine Archive

Such a surge had seemed pos sible just a month ago on the strength of news that February home starts were at a 2.2 million annual pace, the briskest in eleven years.

From Time Magazine Archive

James Booth's Joyce lacks some of the incisive arrogance that the character ought to pos sess, while Tim Curry's Tzara is larkily iconoclastic without quite being a cultural arson ist.

From Time Magazine Archive

That bloodstream, he pointed out, was our most precious pos session.

From Time Magazine Archive

Gustave Rameau in permanent pos session of his ill-merited and ill-ministered fortune.

From The Parisians — Complete by Lytton, Edward Bulwer Lytton, Baron

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