Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
"Negro" Definition
noun
Alternative capitalization of Negro.
Source: Wiktionary
A member of a race of humankind native to Africa and classified according to physical features (as dark skin pigmentation).
Source: Merriam-Webster
adjective
Black or dark brown in color.
Source: Wiktionary
Relating to the black ethnicity.
Source: Wiktionary
geographical name
River 400 (640 ) Argentina flowing into the Atlantic.
Source: Merriam-Webster
River 1400 (2253 ) Colombia & Brazil flowing into the Amazon.
Source: Merriam-Webster
River 434 (698 ) Uruguay flowing into Uruguay River.
Source: Merriam-Webster