Alternative form of black and tan

Fraxinus nigra, a species of ash tree native to much of eastern Canada and the northeastern United States. / Acer negundo, a North American maple. / Eucalyptus sieberi, an Australian tree.

The companion of Saint Nicholas in Dutch folklore, depicted as a blackamoor.

(usually considered derogatory) The Superior General of the Society of Jesus.

plural of black diamond

hematite / anthracite / carbonado, a natural diamond that is black in colour / A black synthetic diamond, specifically a CVD polycrystalline diamond or HPHT polycrystalline compact diamond.

Juglans nigra, a tree native to eastern North America. / The nuts of the aforementioned tree. / The wood of the aforementioned species.

Prunus serotina

Any of numerous species of dark-coloured mosses (Bryophyta), possibly species of the genera Grimmia, Andreaea, Syntrichia, Cinclidotus.

Aronia melanocarpa, native to temperate and cool eastern North America.