The Collaborative International Dictionary
Negro \Ne"gro\ (n[=e]"gr[-o]), n.; pl. Negroes (n[=e]"gr[=o]z). [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.
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.]
Wiktionary
n. (plural of negro English)
WordNet
See negro
adj. relating to or characteristic of or being a member of the traditional racial division of mankind having brown to black pigmentation and tightly curled hair
[also: negroes (pl)]