The Collaborative International Dictionary of English v.0.48:
Bicolor \Bi"col`or\, Bicolored \Bi"col`ored\, a. [L. bicolor; bis twice + color color.] Of two colors. [1913 Webster]WordNet (r) 3.0 (2006):
bicolor adj 1: having two colors; "a bicolor flower"; "a bicolored postage stamp" [syn: bicolor, bicolour, bicolored, bicoloured, bichrome, dichromatic]