Duke’s wife (7)

I believe the answer is:
duchess
(Other definitions for duchess that I've seen before include "title" , "Noblewoman" , "Great lady" , "Female aristocrat" , "Wife of a duke" .)
I believe the answer is:
duchess
(Other definitions for duchess that I've seen before include "title" , "Noblewoman" , "Great lady" , "Female aristocrat" , "Wife of a duke" .)