Source : Webster's Revised Unabridged Dictionary (1913)

Piebald \Pie"bald`\, a. [Pie the party-colored bird + bald.]
   1. Having spots and patches of black and white, or other
      colors; mottled; pied. ``A piebald steed of Thracian
      strain.'' --Dryden.

   2. Fig.: Mixed. ``Piebald languages.'' --Hudibras.

Source : WordNet®

piebald
     adj : having sections or patches colored differently and usually
           brightly; "a jester dressed in motley"; "the painted
           desert"; "a particolored dress"; "a piebald horse";
           "pied daisies" [syn: {motley}, {calico}, {multicolor},
           {multicolour}, {multicolored}, {multicoloured}, {painted},
            {particolored}, {particoloured}, {pied}, {varicolored},
            {varicoloured}]