Source : Webster's Revised Unabridged Dictionary (1913)

Dimple \Dim"ple\, n. [Prob. a nasalized dim. of dip. See {Dip},
   and cf. {Dimble}.]
   1. A slight natural depression or indentation on the surface
      of some part of the body, esp. on the cheek or chin.
      --Milton.

            The dimple of her chin.               --Prior.

   2. A slight indentation on any surface.

            The garden pool's dark surface . . . Breaks into
            dimples small and bright.             --Wordsworth.

Dimple \Dim"ple\, v. i. [imp. & p. p. {Dimpled}; p. pr. & vb. n.
   {Dimpling}.]
   To form dimples; to sink into depressions or little
   inequalities.

         And smiling eddies dimpled on the main.  --Dryden.

Dimple \Dim"ple\, v. t.
   To mark with dimples or dimplelike depressions. --Shak.

Source : WordNet®

dimple
     n 1: a chad that has been punched or dimpled but all four corners
          are still attached [syn: {dimpled chad}, {pregnant chad}]
     2: any slight depression in a surface; "there are approximately
        336 dimples on a golf ball"
     3: a small natural hollow in the cheek or chin; "His dimple
        appeared whenever he smiled"
     v 1: mark with, or as if with, dimples; "drops dimpled the smooth
          stream"
     2: produce dimples while smiling; "The child dimpled up to the
        adults"