a. Also 7, 9 unicolourous. [f. L. ūnicolor + -OUS.] Having only one color; uniform in color. Chiefly Ent.
1657. Tomlinson, Renou’s Disp., 197. Two unicolourous juices mixed together.
1843. Humphreys, Brit. Moths, II. 66. The wings rounded, destitute of markings, and unicolorous.
1894. Naturalist, 226. All unicolorous black, instead of having the typical red elytra.
