9 across
Some
farmer
in
search
for
swill
(5)
Some farmer in search for swill (5)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Look at swill at the end — that's your definition, since to swill something is to rinse it. "Some" is flagging a hidden word, and if you peer inside "farmeR IN SEarch" you'll find the answer lurking right there.