Pronunciation: (ō'mu-hô", -hä"),[key] —n., —pl.-has,(esp. collectively)-hafor 2. 1. a city in E Nebraska, on the Missouri River. 311,681.
2. a member of a North American Indian people of northeastern Nebraska.
3. the Siouan language of the Omaha, mutually intelligible with Ponca.
4. Mil.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.