Water turning coach upside down? Correct (7)
I believe the answer is:
subedit
'correct' is the definition.
(check work as a subeditor)
'water turning coach upside down?' is the wordplay.
'water turning' becomes 'tide' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'coach' becomes 'bus' (synonyms).
'upside down?' says the letters should be written in reverse (I've seen 'upside down' mean this).
'tide'+'bus'='tidebus'
'tidebus' backwards is 'SUBEDIT'.
Can you help me to learn more?
(Other definitions for subedit that I've seen before include "Copyread" , "Work on story" , "work in journalism!" , "Headline writer does" , "Work on paper" .)