in ‧ dent ‧ ed /ɪnˈdentəd, ɪnˈdentɪd/ BrE AmE adjective
[ Date: 1300-1400 ; Origin: Partly from ⇨ ↑ indent ; partly from indent 'to press inward' (14-21 centuries) , from dent ]
an indented edge or surface has cuts or marks in it:
our deeply indented coastline