Real Dictionary

black
colour: Something that is black is of the darkest colour that there is, the colour of the sky at night when there is no light at all.

black in American English
opposite to white; of the color of coal or pitch
adjective: lacking hue and brightness; absorbing light without reflecting any of the rays composing it
adjective: pertaining or belonging to any of the various populations characterized by dark skin pigmentation, specifically the dark-skinned peoples of Africa, Oceania, and Australia
noun: a member of any of various dark-skinned peoples, esp. those of Africa, Oceania, and Australia

black in British English
adjective: of the colour of jet or carbon black, having no hue due to the absorption of all or nearly all incident light
noun: a black colour
verb

Black in British English 1
adjective: (of a person) belonging to a population having dark pigmentation of the skin
noun: a member of a human population having dark pigmentation of the skin

Black in British English 2
noun: Sir James (Whyte). 1924–2010, British biochemist. He discovered beta-blockers and drugs for peptic ulcers: Nobel prize for physiology or medicine 1988