nī̆gro, āvi, ātum, 1, v. n. and a. [1. niger].
I Neutr., to be black : ea, quae nigrant nigro de semine nata, Lucr. 2, 733.—
II Act., to make black, to blacken .
A Lit.: nigrāsset sibi planctu lacertos, Stat. S. 2, 6, 83.—
B Trop., to make dark, to darken : nigrati ignorantiae tenebris, Tert. adv. Marc. 4, 8.
V —Hence, nī̆grans , antis, P. a., black, dark-colored, dusky : nigrantia boum cornua, Varr. 2, 5: nigrantes terga juvenci, Verg. A. 5, 97: nigrantes alae, Ov. M. 2, 535: nigrantes domos ammarum intrāsse silentūm, Prop. 3, 12, 33 (4, 11, 33): nigrante profundo, the sea , Sil. 17, 258: litora, Val. Fl. 4, 697: aegis, i. e. that produces clouds , Verg. A. 8, 353.