D defs.my
Entry 1 sense Webster, 1913

Ma'am

/măm/ · IPA /mæm/
01 n. Madam; my lady; -- a colloquial contraction of madam often used in direct address, and sometimes as an appellation.
  1. 1.
    Madam; my lady; -- a colloquial contraction of madam often used in direct address, and sometimes as an appellation.