The Collaborative International Dictionary of English v.0.48:

Dent \Dent\, v. t. [imp. & p. p. Dented; p. pr. & vb. n.
   Denting.]
   To make a dent upon; to indent.
   [1913 Webster]

         The houses dented with bullets.          --Macaulay.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dented \Dent"ed\, a. [From Dent, v. t.]
   Indented; impressed with little hollows.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dented
    adj 1: of metal e.g.; "bent nails"; "a car with a crumpled front
           end"; "dented fenders" [syn: bent, crumpled,
           dented]