Hollow made by impact (4)
I believe the answer is:
dent
(Other definitions for dent that I've seen before include "Slight hollow" , "Mark of knock" , "Hollow; tend (anagram)" , "Injury to pride" , "northern banker" .)
I believe the answer is:
dent
(Other definitions for dent that I've seen before include "Slight hollow" , "Mark of knock" , "Hollow; tend (anagram)" , "Injury to pride" , "northern banker" .)