mulatto UK /m(j)ʊˈlætəʊ/US /mʊˈlɑtoʊ/ noun1 •(offensive) A person of mixed black and white descent, especially a person with one black and one white parent or two mulatto parents.The supermodelesque mulatto woman licked her lips and smiled invitingly. — 2004 formsmulattoes · mulattos