The term "Lady of the House" is a traditional and somewhat old-fashioned way to refer to the woman who lives in a household, whether she is married or single. Full definition
Wednesday night from 5 - 8 venture out past the Upper East Side into a slice of history for Ladies of the House: History From A Feminine Perspective. (art-nerd.com)
If this ModCloth - exclusive pullover could talk, it'd tell how much of an honor it is to host the longhair lady of the house in this painterly depiction. (modcloth.com)
's Mrs. Danvers: the always present, always watchful, possibly dangerous lady of the house pulling the strings. (slashfilm.com)