post meridiem

adjective

post me·​ri·​di·​em ˌpōs(t)-mə-ˈri-dē-əm How to pronounce post meridiem (audio)
-ˌem
: being after noon
abbreviation PM, p.m., or (British) pm

Word History

Etymology

Latin

First Known Use

1647, in the meaning defined above

Time Traveler
The first known use of post meridiem was in 1647

Dictionary Entries Near post meridiem

Cite this Entry

“Post meridiem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/post%20meridiem. Accessed 19 Mar. 2024.

Kids Definition

post meridiem

adjective
post me·​ri·​di·​em ˈpōs(t)-mə-ˈrid-ē-əm How to pronounce post meridiem (audio)
-ē-ˌem
: being after noon
abbreviation p.m.
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