The Collaborative International Dictionary of English v.0.48:

parti-colored \par"ti-col`ored\, a.
   Having sections or patches colored differently and usually
   brightly. Same as Party-colored. [Also spelled
   parti-coloured.]

   Syn: motley, multicolor, culticolour, multicolored,
        multicoloured, painted, piebald, pied, varicolored,
        varicoloured.
        [1913 Webster + WordNet 1.5]