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]

WordNet (r) 3.0 (2006):

particoloured
    adj 1: 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, multi-color, multicolour, multi-
           colour, multicolored, multi-colored,
           multicoloured, multi-coloured, painted,
           particolored, particoloured, piebald, pied,
           varicolored, varicoloured]