post meridiem

[pohst muh-rid-ee-uh m, -em] /ˈpoʊst məˈrɪd i əm, -ˌɛm/
noun
1.
p.m.
British Dictionary definitions for post meridiem

post meridiem

/ˈpəʊst məˈrɪdɪəm/
uknown
1.
the full form of p.m.
Word Origin
C17: Latin: after noon
Word Origin and History for post meridiem

"after noon," 1640s, Latin, from post "after" (see post-) + accusative of meridies (see meridian).