IA - a state in midwestern United StatesMiddle West, Midwest - the north central region of the United States (sometimes called the heartland or the breadbasket of America) Davenport - a city in eastern Iowa on the Mississippi River across from Moline and Rock Island Clinton - a town in east central Iowa Dubuque - a town in eastern Iowa on the Mississippi River Sioux City - a city in northeastern Iowa where the Big Sioux River joins the Missouri Little Sioux River - a river that rises in southwestern Minnesota and flows southwestward to the Missouri River in western Iowa |