Cajun

from WordNet (r) 3.0 (2006)

Cajun
    n 1: a Louisianian descended from Acadian immigrants from Nova
         Scotia (`Cajun' comes from `Acadian')

from The Collaborative International Dictionary of English v.0.48

Cajun \Ca"jun\, n. [A corruption of {Acadian}.] (Ethnol.)
   In Louisiana, a person reputed to be Acadian French descent.
   Also used attributively, as in Cajun cooking.
   [Webster 1913 Suppl. +PJC]