(history) A colonial territory owned by France in the 17th and early 18th centuries, spanning over what are now the Maritime provinces of eastern Canada (Nova Scotia, New Brunswick and Prince Edward Island) and part of the state of Maine in the USA.

One of 64 parishes in Louisiana, United States, the equivalent of a county in other US states.. Parish seat: Crowley.

(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.

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

Of or pertaining to Acadia, its people, or their language or culture. / (geology) Of or pertaining to the Acadian epoch.

plural of Acadian

(mineralogy) A mineral found in Nova Scotia consisting of red chabazite.

A very small North American owl, the northern saw-whet owl, Aegolius acadicus.

A small chickadee subspecies with a brown crown from northern New England and the Maritime Provinces of Canada; Poecile hudsonicus littoralis.

plural of acadialite