after noon.
the period between noon and midnight.

Words nearby p.m.

Origin of p.m.

From the Latin word post merīdiem

usage note for p.m.

See a.m.

Definition for p.m. (2 of 2)


or PM

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for p.m.


P.M., pm or PM

abbreviation for

(indicating the time period from midday to midnight) post meridiemSee a.m.
post-mortem (examination)

Word Origin for p.m.

(sense 1) Latin: after noon
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