From WordNet (r) 2.0 (August 2003) [wn]:
dimpled
adj : having a small indentation; "they counted the dimpled
ballots"
From The Collaborative International Dictionary of English v.0.48 [gcide]: Dimple \Dim"ple\, v. i. [imp. & p. p. Dimpled; p. pr. & vb. n. Dimpling.] To form dimples; to sink into depressions or little inequalities. [1913 Webster] And smiling eddies dimpled on the main. --Dryden. [1913 Webster]