A member of a group of North American Indians forming a subgroup of the Munsee. Also attributive or as adjective Compare "Munsee [adjective]".
Late 17th century. From Munsee (Delaware) mə̆nə́sənk, probably lit. ‘on (or at) the island’ (i.e. Minisink Island in the upper Delaware river, north-eastern United States).