Spooner's crew decline help with water coming in (7)
I believe the answer is:
sandbag
'water coming in' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's a link between them I don't understand?
'spooner's crew decline help with' is the wordplay.
I cannot really understand how this works, but
'with' could be 'and' and 'and' is present in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for sandbag that I've seen before include "Item used for flood protection" , "defensive article" , "part of defensive structure" , "Heavy protection" , "Item used in building flood defences" .)