Titled woman (4)
'titled woman' is the definition.
(dame is a title given to a woman)
This is the entire clue.
(Other definitions for dame that I've seen before include "Broad" , "Pantomime lady" , "Agatha Christie's title?" , "Female equivalent of a knight" , "Female equivalent of British sir" .)
(Other definitions for lady that I've seen before include "Title for a knight's wife" , "See 19" , "Gentlewoman" , "See 20" , "Female title" .)