Acadian French
/əˌkeɪdɪən ˈfrɛn(t)ʃ/noun
1The French population inhabiting Acadia; their descendants, especially those living in the Maritime Provinces of Canada.
2The dialect of French spoken in the Maritime Provinces of Canada or in Louisiana.
adjective
Of, relating to, or designating the French population of Acadia or the Maritime Provinces or their dialect of French.
Origin
Mid 18th century; earliest use found in John Oldmixon (d. 1742), historian and political pamphleteer. From Acadian + French noun.