An octoroon, someone of one-eighth African ancestry(noun)
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Use "mustee" in a sentence
"The offspring of a white man and black woman is a mulatto; the mulatto, and black produce a sambo; from the mulatto and white comes the quadroon; from the quadroon and white the mustee; the child of a mustee by a white man is called a mustee - fino; and the children of a musteefinio are free by law, and rank as white persons to all intents and purposes."
"June 3, 2009 at 9:47 am yup — mustee re-call does lady fingies now!"
"A thousand, two thousand dollars -- maybe three, for a choice mustee wench, fancy-bred, only nineteen, and schooled in a New Orleans brothel!"