—n. 1. a member of any of several groupings of North American Indians comprising emigrants from the Creek Confederacy territories to Florida or their descendants in Florida and Oklahoma, esp. the culturally conservative present-day Florida Indians.
2. either of the Muskogean languages spoken by the Seminoles, comprising Mikasuki and the Florida or Seminole dialect of Creek.
—adj. of or pertaining to the Seminoles or their languages.