noun

• A state in the Deep South and South Central regions of the United States. Capital: Baton Rouge. Largest city: New Orleans.
• (historical) A vast territory in central North America:
• An administrative district of New France. (1682–1769; 1801–1803)
• A governorate of New Spain. (1769–1801)
• A former territory of the United States. (1805–1812)
• A city in Pike County, Missouri, named for the founder's daughter, Louisiana Bayse.
• A ghost town in Douglas County, Kansas.
• The University of Louisiana at Lafayette, and especially its athletic program, the Louisiana Ragin' Cajuns.