1. (

• ma ,
• mama ,
• mamma ,
• mom ,
• momma ,
• mommy ,
• mammy ,
• mum ,
• mummy

) informal terms for a mother ;

2. (

• Master_of_Arts ,
• MA ,
• Artium_Magister ,
• AM ,

) a master's degree in arts and sciences ;

3. (

• milliampere ,
• mA

) one thousandth of an ampere ;

4. (

• Massachusetts ,
• Bay_State ,
• Old_Colony ,
• MA ,
• Mass.

) a state in New England; one of the original 13 colonies ;