p.m. · adverb1
Abbreviation of post meridiem (“after noon”).
p.m. · adverb2
Abbreviation of post mortem (“after death”).
p.m. · noun3
Abbreviation of palm muting.
Etymology from Wiktionary, CC BY-SA 4.0.
p.m.
Today it means: In the 12-hour period from noon to midnight (the latter half of the day) when using the 12-hour clock. Full definition →