po

abbreviation (1)

Definition of po

 (Entry 1 of 4)

by mouth; orally

Po

symbol

Definition of Po (Entry 2 of 4)

polonium

PO

abbreviation (2)

Definition of PO (Entry 3 of 4)

1 petty officer
2 postal order
3 post office
4 purchase order

Po

geographical name
\ ˈpō How to pronounce Po (audio) \
variants: or ancient Padus \ ˈpā-​dəs How to pronounce Padus (audio) \

Definition of Po (Entry 4 of 4)

river 405 miles (652 kilometers) long in northern Italy flowing from the slopes of Mount Viso east into the Adriatic Sea through several mouths

History and Etymology for po

Abbreviation (1)

Latin per os

Keep scrolling for more

Learn More about po

Dictionary Entries near po

pntd

pntr

pnxt

po

Po

PO

po'boy

Statistics for po

Look-up Popularity

Keep scrolling for more

More Definitions for po

Kids Definition of P.O.

post office

Medical Definition of po

 (Entry 1 of 2)

per os used especially in writing prescriptions

Po

symbol

Medical Definition of Po (Entry 2 of 2)

polonium

More from Merriam-Webster on po

Spanish Central: Translation of po

Britannica.com: Encyclopedia article about po

Comments on po

What made you want to look up po? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to boil down or concentrate

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!