Casper Wyoming shown on a map.
Casper definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
city in central Wyo.: pop. 50,000
Origin: earlier Fort Caspar, after Lt. Caspar Collins, killed there
Casper definition by American Heritage Dictionary
A city of east-central Wyoming on the North Platte River northwest of Cheyenne. It was founded in 1888 with the coming of the railroad and grew rapidly after the discovery of oil nearby. Population: 52,100.