Louisiana Louisa • Louisianian · · · Info · Definitions · Characters · · Louisiana · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a state in southern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War. Synonyms: Pelican State, LA. · · Noun Definition 1 Characters · · L latin capital letter l U+004C a latin small letter a U+0061 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075