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(Zoöl.), a small North American owl (Nyctule Acadica); the saw-whet.