Mulatto
MULATTO (Span, and Port, mulato, diminutive of mulo, Lat. mulus, a mule, used as denoting a hybrid origin), a person one of whose parents is of a white race and the other a negro. In Latin America such half-breeds are sometimes called mestizos.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)