nī̆grĭco, āre, v. n. [1. niger],
I to be blackish (post-Aug.): epimelas fit, cum in candidā gemmā superne nigricat colos, Plin. 37, 10, 58, 161 fin. ; cf. Not. Tir. p. 128.
II —Hence, nĭgrĭcans , antis, P. a., blackish, swarthy : Tyrius color nigricans aspectu, Plin. 9, 38, 62, § 135; 36, 26, 66, § 193.