LOUISIANAN Meaning of LOUISIANAN in English [ lu:ˌi:zɪ'an(ə)n ](also Louisianian lu:ˌi:zɪ'anɪ(ə)n ) ■ noun a native or inhabitant of the US state of Louisiana. ■ adjective relating to Louisiana. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004