ante meridiem
adjective
an·te me·ri·di·em
ˌan-ti-mə-ˈri-dē-əm 
-dē-ˌem
: being before noon
—abbreviation AM, a.m., or (British) am
Word History
Etymology
Latin
First Known Use
1563, in the meaning defined above
Dictionary Entries Near ante meridiem
Cite this Entry
“Ante meridiem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ante%20meridiem. Accessed 4 Oct. 2023.
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Kids Definition
ante meridiem
adjective
an·te me·ri·di·em
ˌant-i-mə-ˈrid-ē-əm
-ē-ˌem
: being before noon
—abbreviation a.m.
Etymology
Latin
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