p.m.

1. after noon.
2. the period between noon and midnight.

1. past master.
2. paymaster.
3. p.m.
4. Police Magistrate.
5. postmaster.
6. postmortem.
7. prime minister.
8. provost marshal.

abbreviation for

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

abbreviation of Latin post meridiem “after noon.”