The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A city of southwest Illinois on bluffs of the Mississippi River north of St. Louis, Missouri. Lewis and Clark spent the winter of 1803-1804 just south of the site. Population: 29,300.