a.m. in English
- a.m.⇄a.m.
1. before noon.
Ex. School begins at 9 a.m.
2. the time from midnight to noon. - A.M.⇄A.M.
1. before noon; the time from midnight to noon. See also a.m.
2. in the year of the world (Latin, ?anno mundi).
3. (U.S.) Master of Arts (Latin, ?Artium Magister). Also, M.A.