Ma

(noun) informal terms for a mother. Synonyms: ma, mama, mamma, mom, momma, mommy, mammy, mum, mummy.

(noun) a master's degree in arts and sciences. Synonyms: Master of Arts, MA, Artium Magister, AM.

(noun) one thousandth of an ampere. Synonyms: milliampere, mA.

(noun) a state in New England; one of the original 13 colonies. Synonyms: Massachusetts, Bay State, Old Colony, MA.