The Collaborative International Dictionary of English v.0.48:

Party-colored \Par"ty-col`ored\, Parti-colored \Par"ti-col`ored\
,  a.
   Colored with different tints; variegated; as, a party-colored
   flower. "Parti-colored lambs." --Shak.
   [1913 Webster]

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]