Definition of "Acadian"

Of or pertaining to Acadia, its people, or their language or culture.  examples

(geology) Of or pertaining to the Acadian epoch.

A native of Acadia or their descendants who moved to Louisiana; a Cajun.  examples

(Canada) A descendant of the settlers of the French colony of Acadia in current eastern Canada. More specifically a speaker of Acadian French.  examples

(rare) Ellipsis of Acadian French.: the form of French spoken in Acadia.

(geology) The Middle Cambrian epoch, lasting from 497 million years ago to 509 million years ago.