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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 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

With a rustic-industrial aesthetic and wide windows overlooking the harbor, it’s a favorite for locally sourced seafood dishes like soft-shell crab BLTs and fried oyster po boys.

From Washington Post Aug. 15, 2019

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

Po and So waves travel through oceanic plates rather than moving only through the surrounding mantle.

From Science Daily Jul. 18, 2026

Both Po and So waves traveled significantly more slowly beneath the plateau.

From Science Daily Jul. 18, 2026

The Po River's flow has collapsed in a matter of days, dropping below 300 cubic meters per second, compared with an average of around 1,500 in June, according to Aipo, the interregional river agency.

From Barron's Jun. 27, 2026

After another hour of waiting and watching employees reboot ticket kiosks, Po snagged two decent seats.

From The Wall Street Journal Jun. 12, 2026

Lee Chong listened while Li Po was read to him in English.

From "Cannery Row" by John Steinbeck

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

PiS, led by 75-year-old Jaroslaw Kaczynski, and Tusk's PO are the two parties that have dominated Polish politics for the last 20 years and some voters are fed up with the duopoly.

From BBC May 16, 2025

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

PO and the Permanent Secretary's officials also had previously advised that participating online risked generating media interest.

From BBC May 24, 2023

The envelope was addressed to his PO box.

From "We Are Okay" by Nina LaCour

Those with P.O. boxes have been redirected to a post office on North Vignes Street near Union Station, about two miles away.

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

You can find, reserve and apply for a P.O. box online.

From Los Angeles Times Jan. 16, 2025

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

My P.O. hasn’t realized yet that schools are just like the city and the city is just like prison.

From "The Freedom Writers Diary" by The Freedom Writers

Two cardiologists, the Navy's Captain Ashton Graybiel and the Air Force's Dr. Lawrence E. Lamb, foresee pos sibly grave difficulties for both the circulatory and respiratory systems under long exposure to g-free conditions.

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

"The only impartiality pos sible to the human mind," said he once, "is that which arises from an understand ing of neither side of the case."

From Time Magazine Archive

"I'll go by dem lak dey's hitched to a pos'!"

From The Man from Jericho by Litsey, Edwin Carlile

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