Wine bar ignores ban on the electric amp (4)
I believe the answer is:
wire
'wine bar' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'ignores ban on the electric amp' is the wordplay.
I cannot really see how this works, but
'on' could be 're' ('on' can be mean 'with reference to') and 're' is present in the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for wire that I've seen before include "Flex" , "Drawn-out metal" , "Hand signal; breaker" , "See 2" , "Strand of metal" .)