nigrous en · ADJ
Etymology
From Latin nigrum, + -ous.
Meanings
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(not-comparable) Black.
Of pillared mists, in nigrous smoking gloom, […]
1816, George Thomas, Freedom; with other poems:Sternum: nigrous, clad less densely with longer, usually fusiform, similarly colored squamae; […]
1940, Stanford University, Natural History Museum, Microentomology: Contributions to Entomology from the Natural History Museum of Stanford University, Volumes 5-8:At this hour, just before dawn, another nigrous presence came hovering over him to darken his face.
2008, Glen Craney, The Fire and the Light: A Novel of the Cathars and the Lost Teachings of Christ: