Abbr. WY or Wyo. A state of the western United States. It was admitted as the 44th state in 1890. Acquired by the United States as part of the Louisiana Purchase (1803), Wyoming became a ranching center after the Union Pacific Railroad was established (1868). Cheyenne is the capital and the largest city. Population: 523,000.
A city of west-central Michigan, a manufacturing suburb of Grand Rapids. Population: 70,200.
State in the western United States bordered by Montana to the north, South Dakota and Nebraska to the east, Colorado and Utah to the south, and Idaho to the west. Its capital is Cheyenne, and its largest city is Casper.