A person whose ancestors belonged to two or more races(noun)
WordNet. Princeton University. 2010.
Use "mixed-blood" in a sentence
"Javier is an orphan of "mixed-blood heritage and exceptional intellect" who, under the tutelage of his benefactor Molinero, has become a cultured and sophisticated man."
"None of the relatives wanted Javier because he was "the mixed-blood child of their forbidden love.""
"Indeed, the hope of baby-making was frequently mentioned, spurred by the fateful choice of the producers to couple their words "wants to birth a mixed-blood baby" with every screen shot of my face."