Pronunciation: (shī-en', -an'),[key] —n., —pl.-ennes,(esp. collectively)-ennefor 1. 1. a member of a North American Indian people of the western plains, formerly in central Minnesota and North and South Dakota, and now divided between Montana and Oklahoma.
2. an Algonquian language, the language of the Cheyenne Indians.
3. a city in and the capital of Wyoming, in the S part. 47,283.