A waste product rococo art used this to depict? (6)
I believe the answer is:
cowpat
'a waste product rococo art used this to depict?' is the definition.
The definition suggests a singular noun which matches the answer.
This is the entire clue.
Can you help me to learn more?
(Other definitions for cowpat that I've seen before include "Bovine dung" , "You don't want to put your foot in it" , "Brown deposit in a field?" , "Particular cock" , "Piece of cattle dung" .)