pm

¹

or PM

noun

, plural pms, pm's.

1. a private message sent to another user of a social media service or private messaging service:

   How do I send a pm to the moderator of the message board?

verb (used with object)

, pm'd or pmed, pm'ing, or pming.

1. to send a private message to (another user of such a service).

Pm

²

Symbol, Chemistry.

1. promethium.

pm.

³

abbreviation for

1. premium.

p.m.

⁴

abbreviation for

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

P.M.

⁵

or PM

abbreviation for

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

pm

¹

the internet domain name for

1. St Pierre and Miquelon

p.m.

²

abbreviation for

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

PM

³

abbreviation for

1. Prime Minister
2. Past Master (of a fraternity)
3. Paymaster
4. Postmaster
5. military Provost Marshal

Pm

⁴

the chemical symbol for

1. promethium

pm

⁵

abbreviation for

1. premium

Usage Note

See a.m.

Word History and Origins

Origin of pm¹

First recorded in 2000–05

Origin of pm²

From Latin post merīdiem

Word History and Origins

Origin of pm¹

(sense 1) Latin: after noon

Example Sentences

The school issued the shelter-in-place order from 10 a.m. to shortly after noon and then again at 1 p.m.

From Los Angeles Times

The Los Angeles Police Department responded to a call at the 3600 block of Locke Avenue around 10:30 p.m.

From Los Angeles Times

New episodes of "What We Do in the Shadows" air 10 p.m.

From Salon

The Rams and Dolphins will play at 5:15 p.m. on Monday at SoFi Stadium.

From Los Angeles Times

Around 3 p.m., about six hours after the fire was first spotted, it had exploded to almost 9,000 acres without any containment, burning dozens of homes to a crisp.

From Los Angeles Times