Definition of city wall:
(n) :
the side of a
tire; the wall forming the side of a structure
"if the puncture had been in the tread I could have had the tire patched, but it was in the sidewall and they can't fix that, they have to replace the whole tire."
Definition of city wall:
(n) :
the side of a
tire; the wall forming the side of a structure
"if the puncture had been in the tread I could have had the tire patched, but it was in the sidewall and they can't fix that, they have to replace the whole tire."