Pronunciation: (me-stē'zō, mi-), [key]
—pl. -zos, -zoes.
a person of racially mixed ancestry, esp., in Latin America, of mixed American Indian and European, usually Spanish or Portuguese, ancestry, or, in the Philippines, of mixed native and foreign ancestry.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.