The Collaborative International Dictionary of English v.0.48:

Dot \Dot\, v. t. [imp. & p. p. Dotted; p. pr. & vb. n.
   Dotting.]
   1. To mark with dots or small spots; as, to dot a line.
      [1913 Webster]

   2. To mark or diversify with small detached objects; as, a
      landscape dotted with cottages.
      [1913 Webster]