omaha

noun, plural O·ma·has, (especially collectively) O·ma·ha for 2.

1. a city in E Nebraska, on the Missouri River.
2. a member of a North American Indian people of northeastern Nebraska.
3. the Siouan language of the Omaha, mutually intelligible with Ponca.
4. Military. the World War II Allied code name for one of the five D-Day invasion beaches on France’s Normandy coast, attacked by American troops.

noun

1. a city in E Nebraska, on the Missouri River opposite Council Bluffs, Iowa: the largest city in the state; the country’s largest livestock market and meat-packing centre. Pop: 404 267 (2003 est)

Siouan Indians of northeastern Nebraska, 1804, perhaps from Omaha umaha, perhaps literally “upstream (people), against the flow.” Largest city in Nebraska.