m'lady /məˈleɪdi/noun 1verb 1forms 3 noun1 •(humorous) My Lady (used to address peers temporal, judges, etc). verb1 •To address as “m’lady”.[…]when people living in the same social set m’lorded and m’ladied each other with much frequency. — 1929 formsm'ladied · m'ladying · m'ladies