- after noon.
- the period between noon and midnight.
- past master.
- paymaster.
- p.m.
- Police Magistrate.
- postmaster.
- postmortem.
- prime minister.
- provost marshal.
abbreviation for
- (indicating the time period from midday to midnight) post meridiemSee a.m.
- post-mortem (examination)
abbreviation of Latin post meridiem “after noon.”