from The American Heritage® Dictionary of the English Language, 4th Edition
- A river of northern Arkansas and southern Missouri flowing about 1,110 km (690 mi) generally southeast to the Mississippi River.
- A river, about 257 km (160 mi) long, of northwest Colorado and eastern Utah flowing westward to the Green River.
- A river of northwest Nebraska and southern South Dakota flowing about 523 km (325 mi) northeast and east to the Missouri River.
Sorry, no etymologies found.