Populus nigra, a poplar found in Europe, southwest and central Asia, and northwest Africa.

A dark vertisol, composed of expansive clays, extending over the Texas blackland prairies.

(informal) Synonym of sablefish (Anoplopoma fimbria); (the sablefish is not a species of codfish; but is referred to as cod informally )

(finance, government) A government budget that is allocated for classified or other secret operations of a nation.

plural of black budget

Pogonias cromis, one of two species of fish in the genus Pogonias.

Alternative letter-case form of black Irish. / An Irish citizen with African ancestry.

Alternative letter-case form of Black Dutch.

(US, obsolete or historical) A European with dark hair, eyes, and skin, especially one from or claiming to be from Germany or the Netherlands, sometimes (derogatory, ethnic slur) with disparaging racial overtones.

plural of black frost