a Louisianian descended from Acadian immigrants from Nova Scotia (`Cajun' comes from `Acadian')
"After moving to Louisiana, he quickly became known as a Cajun who shared stories of his ancestors fleeing Nova Scotia."
A member of the ethnic group descending from Acadia, primarily French-speaking and living in Southern Louisiana.
"The Cajun musician played traditional fiddle music at a gathering in Southwest Louisiana."
In plain English: A Cajun is a person from Louisiana who has French ancestry and speaks their own unique dialect of French mixed with other languages.
"They invited some Cajun friends over to share their famous gumbo and spicy music."
Relating to the Cajun people or their culture.
"The dictionary lists cAJUN as an alternative letter-case form of Cajun."
Alternative letter-case form of Cajun
In plain English: Cajun means something related to French-speaking people who live and cook food with spicy flavors in Louisiana.
"We enjoyed spicy cajun chicken at the local restaurant."
The word "cajun" comes from the Acadian French term Cadien, which originally meant "of or from Acadia." English speakers adapted this name to refer specifically to the descendants of those Acadians who settled in Louisiana after fleeing religious persecution.