From Longman Dictionary of Contemporary EnglishMaMa /mɑː/, ma noun [countable] informal1MOTHERmotherWhat’s for dinner, Ma?2WOMAN old-fashioned used to mean ‘Mrs’ in some country areas of the USold Ma Harris
Examples from the Corpus
Ma• But of course there were Avon and Ma and Pa and Aggie.• Hey Ma, can I go out with Billy?• I spoke to Ma, who seemed calm.• Here comes the light of the world ... Ma?• I telephoned your Mayesterday, to hear that things were a bitdepressing at the school and in the country generally.• Don't touchdumbhallucinogens like A. Listen to your Ma and Pa, and forget the headster time ever happened.
MAMA British English, M.A. American English /ˌem ˈeɪ/ noun [countable]SEC (Master of Arts) a universitydegree in a subject such as history, languages, or English literature that you can get after your first degreeMA inHe did an MA in graphic design at Manchester.Vanessa Clark, MA