ma'am /ˈmæm/noun 5verb 1forms 5 noun5 •A form of address for a woman: contraction of madam.Madam me no Madam, but learn to retrench your vvords; and say Mam; as yes Mam, and no Mam, as other Ladies VVomen do. Madam! 'tis a year in pronouncing. — 1668 •A polite and formal way to address a woman.Ma'am, will you be attending the dinner this evening? •A respectful term of address to a woman of higher rank or position.– Sergeant, have the platoon in formation and ready for inspection at 0800. – Aye aye, ma'am. •(no longer used) A title for a married woman.That is Ma'am Smith, the matriarch of the Smith families. •(US, no longer used) A female schoolteacher; a schoolmarm. verb1 •(informal) To address (a woman) as "ma'am". formsma'amed · ma'ammed · ma'aming · ma'amming · ma'ams