Noun ma has 4 senses
  1. ma, mama, mamma, mom, momma, mommy, mammy, mum, mummy, mater - informal terms for a mother
    --1 is a kind of mother, female parent
  2. Master of Arts, MA, Artium Magister, AM - a master's degree in arts and sciences
    --2 is a kind of master's degree
  3. milliampere, mA - one thousandth of an ampere
    --3 is a kind of current unit
    --3 is a part of ampere, amp, A
  4. Massachusetts, Bay State, Old Colony, MA - a state in New England; one of the original 13 colonies
    --4 is a kind of American state
    --4 is a part of New England
    --4 has parts:
     Boston, Hub of the Universe, Bean Town, Beantown, capital of Massachusetts; Cambridge; Concord; Gloucester; Lexington; Medford; Worcester; Cape Ann; Cape Cod; Cape Cod Canal; Plymouth; Salem; Williamstown; Berkshires, Berkshire Hills; Charles, Charles River; Housatonic, Housatonic River; Merrimack, Merrimack River
    --4 has particulars: Pittsfield; Springfield
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