The Iowa River at night.Licensed from iStockPhoto
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 river rising in northern Iowa and flowing about 529 km (329 mi) southeast to the Mississippi River in the southeast part of the state.