M'etis \M['e]`tis"\, n. m. M'etisse \M['e]`tisse"\, n. f.[F.; akin to Sp. mestizo. See {Mestizo}.] 1. The offspring of a white person and an American Indian. [1913 Webster] 2. The offspring of a white person and a quadroon; an octoroon. [Local, U. S.] --Bartlett. [1913 Webster]