Acadian \A*ca"di*an\, a. Of or pertaining to Acadie, or Nova Scotia. ``Acadian farmers.'' --Longfellow. -- n. A native of Acadie.

Acadian epoch (Geol.), an epoch at the beginning of the American paleozoic time, and including the oldest American rocks known to be fossiliferous. See Geology.

Acadian owl (Zo["o]l.), a small North American owl (Nyctule Acadica); the saw-whet.

Source: Webster's Revised Unabridged Dictionary (1913)