noun pl. mulattoes -·toes or mulattos -·tos

1. a person who has one black parent and one white parent
2. technically, any person with mixed black and Caucasoid ancestry

Etymology: Sp & Port mulato, mulatto, of mixed breed, orig. young mule < mulo, mule < L mulus

adjective

1. of a mulatto
2. of the light-brown color of a mulatto's skin