British English : p.m. p.m. is used after a number to show that you are referring to a particular time between noon and midnight. p.m. is an abbreviation for `post meridiem'.The library is open from 7:00 a.m. to 9:00 p.m. every day.piː ɛm ABBREVIATION
abbreviation for
premium
the internet domain name for
St Pierre and Miquelon
the chemical symbol for
promethium
abbreviation for
Prime Minister
Past Master (of a fraternity)
Paymaster
Postmaster
(military ) Provost Marshal
abbreviation for
(indicating the time period from midday to midnight) post meridiem See a.m.