- a state in the N central United States. 70,665 sq. mi. (183,020 sq. km). Capital: Bismarck. Abbreviation: ND (for use with zip code), N. Dak.
- a state of the western US: mostly undulating prairies and plains, rising from the Red River valley in the east to the Missouri plateau in the west, with the infertile Bad Lands in the extreme west. Capital: Bismarck. Pop: 633 837 (2003 est). Area: 183 019 sq km (70 664 sq miles)Abbreviation: N. Dak., N.D., (with zip code) ND
State in the north-central United States, bordered by Saskatchewan and Manitoba, Canada, to the north; Minnesota to the east; South Dakota to the south; and Montana to the west. Its capital is Bismarck, and its largest city is Fargo.