ma

noun6

1. •
   (informal) a mother, especially when her children speak to her or about her

   • Once the silky gent who ran a barge called the Knuckle Sandwich tried to persuade Borglum's ma and da to sell him their little dwarfish boy for twelve gold coins. — 2011
2. •
   (informal) Mother, mom, mama.
3. •
   [usually plural] Abbreviation of milli-arcsecond.
4. •
   Negative space in Japanese art.
5. •
   (informal) The landlady of a theater.

   • […] that dear little man writing in the guestbook of the "Ma" or theatrical landlady […] — 1949
6. •
   May.

adjective1

1. •
   Initialism of moving average.

noun6

1. •
   Initialism of Master of Arts.
2. •
   Abbreviation of Massachusetts: a state of the United States.
3. •
   (US) Initialism of mature audience, a television rating.
4. •
   (US) Initialism of master-at-arms.
5. •
   Abbreviation of Maranhão: a state of Brazil.
6. •
   Abbreviation of Maluku: a province of Indonesia.