noun, plural O·ma·has, (especially collectively) O·ma·ha for 2.
- a city in E Nebraska, on the Missouri River.
- a member of a North American Indian people of northeastern Nebraska.
- the Siouan language of the Omaha, mutually intelligible with Ponca.
- 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.
- 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.