ma Meaning, Definition & Usage

1. noun informal terms for a mother
   mummy; mommy; mammy; mum; momma; mamma; mom; mama.
   
2. noun a master's degree in arts and sciences
   Artium Magister; AM; Master of Arts.
   
3. noun one thousandth of an ampere
   milliampere.
   
4. noun a state in New England; one of the original 13 colonies
   Massachusetts; Old Colony; Bay State.
   

WordNet