n.; pl. Negroes [ Sp. or Pg. negro, fr. negro black, L. niger; perh. akin to E. night. ] A black man; especially, one of a race of black or very dark persons who inhabit the greater part of tropical Africa, and are distinguished by crisped or curly hair, flat noses, and thick protruding lips; also, any black person of unmixed African blood, wherever found. [ 1913 Webster ]

2. A person of dark skin color descended at least in part from African negroes; in the United States, an African-American. [ U.S. usage, sometimes considered offensive. ] [ PJC ]

a. Of or pertaining to negroes; black. [ 1913 Webster ]

Negro bug (Zool.), a minute black bug common on the raspberry and blackberry. It produces a very disagreeable flavor. --
negro corn, the Indian millet or durra; -- so called in the West Indies. See Durra. McElrath. --
Negro fly (Zool.), a black dipterous fly (Psila rosae) which, in the larval state, is injurious to carrots; -- called also carrot fly. --
Negro head (Com.), Cavendish tobacco. [ Cant ] McElrath. --
Negro monkey (Zool.), the moor monkey. [ 1913 Webster ]

n. An inferior commercial variety of India rubber made up into round masses. [ Webster 1913 Suppl. ]

a. [ Negro + -oid. ] 1. Characteristic of the negro. [ 1913 Webster ]

2. Resembling the negro or negroes; of or pertaining to those who resemble the negro. [ 1913 Webster ]

n. [ Negro + -oid. ] A member of any one of several East African tribes whose physical characters show an admixture with other races. [ Webster 1913 Suppl. ]

a. See Negroid. [ 1913 Webster ]