Definition of "Frau"
Frau
noun
plural Frauen
Used as a courtesy title before the surname of a (usually married) woman among German-speaking people.
Quotations
His gifts as an impassioned speaker had brought him to the notice of some wealthy society ladies (Frauen Bechstein, Hofmann and Wagner), who lionised him and tolerated his cranky behaviour as that of a budding genius.
2002, Margaret Cook, “The Military Celibate”, in Lords of Creation: The Demented World of Men in Power, London: Robson Books, page 101
There was more than a little rivalry between the two ladies, Frauen Wagner and Bechstein, when it came to offering Wolf accommodation, though Winnie could see that while she was so busy with the Festival it made sense for Wolf to stay with the Bechsteins and come round to Wahnfried for visits.
2007, A[ndrew] N[orman] Wilson, Winnie and Wolf, London: Hutchinson, page 54