Chey·enne

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A member of a Native American people, divided after 1832 into the Northern and Southern Cheyenne, inhabiting respectively southeast Montana and southern Colorado, with present-day populations in Montana and Oklahoma. The Cheyenne became nomadic buffalo hunters after migrating to the Great Plains in the 18th century and figured prominently in the resistance by Plains Indians to white encroachment.
• noun The Algonquian language of the Cheyenne.
• The capital of Wyoming, in the southeast part of the state near the Nebraska and Colorado borders. It was founded in 1867 as a division point for the Union Pacific Railroad.