Negro
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The word "negro" means s black man, one descended from the African race, and does not commonly include a mulatto.
Felix v. State, 18 Ala. 720.
But the laws of the different states are not uniform in this respect, some including in the description "negro" one who has one-eighth or more of African blood.