po

[ poh ]
/ poʊ /

noun, plural pos.Australia and New Zealand.

a chamber pot.

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Origin of po

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

Definition for po (2 of 6)

Po
[ poh ]
/ poʊ /

noun

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

Definition for po (3 of 6)

Po

Symbol, Chemistry.

Definition for po (4 of 6)

po.

Baseball.

put-out; put-outs.

Definition for po (5 of 6)

p.o.

(in prescriptions) by mouth.

Origin of p.o.

From Latin per ōs

Definition for po (6 of 6)

P.O.

parole officer.
petty officer.
postal (money) order.
post office.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for po (1 of 4)

po
/ (pəʊ) /

noun plural pos

British an informal word for chamber pot

Word Origin for po

C19: from pot 1

British Dictionary definitions for po (2 of 4)

Po1

the chemical symbol for

polonium

British Dictionary definitions for po (3 of 4)

Po2
/ (pəʊ) /

noun

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)Latin name: Padus

British Dictionary definitions for po (4 of 4)

PO

abbreviation for

Post Office
Personnel Officer
petty officer
Pilot Officer
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

Medical definitions for po (1 of 2)

Po

The symbol for the elementpolonium

Medical definitions for po (2 of 2)

PO

abbr.

per os (by mouth)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for po

Po

The symbol for polonium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.