Lewis & Short

bĭcŏlor, ōris (bĭcŏlōrus, a, um, Vop. Aur. 13), adj. [bis-color], of two colors, twocolored (poet. or in post-Aug. prose): equus, Verg. A. 5, 566: baca, green and black, Ov. M. 8, 664: myrtus, steel-colored, id. ib. 10, 98; cf. id. ib. 11, 234; Plin. 10, 52, 74, § 144.