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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

Li visited Hong Kong during the Lunar New Year earlier this year, months after a massive apartment blaze in the north-eastern Tai Po district claimed 168 lives.

From BBC Aug. 21, 2026

We walk Sham Shui Po, once among the city’s densest working-class food neighborhoods.

From Salon Aug. 9, 2026

Italy's longest river, the Po, hit a historic low near the northern city of Cremona in late July.

From BBC Aug. 3, 2026

Rachel is a graduate of the dual degree program between Columbia University's Graduate School and Journalism and Sciences Po.

From The Wall Street Journal Jul. 18, 2026

Luring visitors inside with refreshment was a little trick Clare had learned from Brickbane, who’d learned it from Po, who’d learned it from Eddifoot, who’d learned it from the Usher before him, and so on.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

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

The PO says it does not have an open-door migrant policy and says none of the questions represent their policies.

From Reuters Aug. 14, 2023

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

The envelope was addressed to his PO box.

From "We Are Okay" by Nina LaCour

If living on the streets, homeless voters can use a P.O.

From Los Angeles Times Jun. 12, 2026

People who lack permanent addresses can receive voting materials at shelters, P.O. boxes and businesses, though they cannot register to vote with addresses for P.O. boxes or businesses.

From Los Angeles Times Sep. 19, 2024

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

Or anyone could, like Oswald, scribble a name and information on a mail-order coupon and have it delivered to a P.O. box a few weeks later.

From Slate Nov. 22, 2023

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

From "The Pigman" by Paul Zindel

Haldeman, who had listened to the March 21 tape, had testified to this pos sible confusion of dates by Dean.

From Time Magazine Archive

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

Two groups of self-appointed trustees fought over pos session of the old shrine, took their squabble into court.

From Time Magazine Archive

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

From Time Magazine Archive

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

From The Man from Jericho by Edwin Carlile Litsey

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