Feature of a roof under stress (3)
I believe the answer is:
sag
(Other definitions for sag that I've seen before include "Drop" , "Give in the middle" , "Give way under pressure" , "Hang down loosely" , "Fail to retain interest" .)
I believe the answer is:
sag
(Other definitions for sag that I've seen before include "Drop" , "Give in the middle" , "Give way under pressure" , "Hang down loosely" , "Fail to retain interest" .)