Louisiana

geographical name

Lou·​i·​si·​ana lu̇-ˌē-zē-ˈa-nə 

ˌlü-ə-zē-,

ˌlü-zē-

state of the southern U.S. that includes the vast delta through which the Mississippi River flows into the Gulf of Mexico; capital Baton Rouge area 48,523 square miles (126,160 square kilometers), population 4,533,372

Louisianan

lu̇-ˌē-zē-ˈa-nən 

ˌlü-ə-zē-

ˌlü-zē-

adjective or noun

Louisianian

lu̇-ˌē-zē-ˈa-nē-ən 

-ˈa-nyən

adjective or noun