pm
1 Americannoun
verb (used with object)
abbreviation
abbreviation
-
after noon.
-
the period between noon and midnight.
abbreviation
-
Police Magistrate.
abbreviation
-
Prime Minister
-
Past Master (of a fraternity)
-
Paymaster
-
Postmaster
-
military Provost Marshal
abbreviation
-
(indicating the time period from midday to midnight) post meridiem See a.m.
-
post-mortem (examination)
symbol
abbreviation
abbreviation
Usage
See a.m.
Other Word Forms
Etymology
Origin of pm1
First recorded in 2000–05
Origin of p.m.4
From Latin post merīdiem
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.