Acadian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Acadian /əˈkeɪdɪən/ chiefly historical
▶adjective relating to the former French colony of Acadia (now Nova Scotia) in Canada. ▶noun a native or inhabitant of Acadia, or a descendant of the Acadians.
'Acadian' also found in these Oxford entries:

