Lewis & Short

multĭcŏlor, ōris, adj. [multus-color], many-colored (post-Aug.).

  1. I. Adj.: hexecontalithos, Plin. 37, 10, 60, § 167: Iris, App. de Mundo, p. 64, 18.
  2. II. Subst.: multĭcŏlor, a many-colored garment, App. M. 11, p. 258, 20.