Fold line (6)
I believe the answer is:
crease
(Other definitions for crease that I've seen before include "Wrinkle or pressed line" , "Mark made by fold" , "Cricket line; wrinkle" , "Mark on cricket pitch" , "feature of smart trousers" .)
I believe the answer is:
crease
(Other definitions for crease that I've seen before include "Wrinkle or pressed line" , "Mark made by fold" , "Cricket line; wrinkle" , "Mark on cricket pitch" , "feature of smart trousers" .)