Doris and Grace going topless (7)
I believe the answer is:
lessing
'doris' is the definition.
Both the definition and answer are singular nouns.
Perhaps you can see a link between them that I don't see?
'grace going topless' is the wordplay.
'grace' becomes 'blessing' ('blessing' can be a synonym of 'grace').
'going topless' means to remove the first letter.
'blessing' with its first letter removed is 'LESSING'.
'and' is the link.
Can you help me to learn more?
(Other definitions for lessing that I've seen before include "Doris -, British author" , "Doris - - , novelist" , "source of drama" , "Writer" .)