P.m. definitions

P.M.

Piae memoriae, Pius minus, Pontifex maximus. Post meridiem.
Found on http://www.translationdirectory.com/glossaries/glossary113.htm

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p.m.

post meridiem; p.m. After the middle of the day; after noon.
Found on http://www.wordinfo.info/words/index/info/view_unit/1735/6

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