A M E Full Form - /ˌeɪ ˈem/ ( north american english also a.m.) between 12 o'clock at night and 12 o'clock in the day (from latin. Means ante meridiem and p.m. Web the term we associate with the morning, a.m., is an abbreviation of the latin phrase ante merīdiem meaning “before.
Means ante meridiem and p.m. Web the term we associate with the morning, a.m., is an abbreviation of the latin phrase ante merīdiem meaning “before. /ˌeɪ ˈem/ ( north american english also a.m.) between 12 o'clock at night and 12 o'clock in the day (from latin.