/kay"jeuhn/ , n.
1. a member of a group of people with an enduring cultural tradition whose French Catholic ancestors established permanent communities in Louisiana and Maine after being expelled from Acadia in the late 18th century.
2. the French dialect of the Cajuns.
adj.
3. of, pertaining to, or characteristic of Cajuns, esp. those of Louisiana: Cajun cooking.
Also, Cajan .
[ 1875-80; aph. var. of ACADIAN; cf. Injun for INDIAN ]