What does "bearn" mean?

Bearn: See Bairn. [Obs.] BEAR'S-BREECH Bear's"-breech`, n. (Bot.) (a) See Acanthus, n., 1. (b) The English cow parsnip (Heracleum sphondylium) Dr. Prior. BEAR'S-EAR Bear's-ear`, n. (Bot.) A kind of primrose (Primula auricula), so called from the shape of the leaf. BEAR'S-FOOT Bear's"-foot`, n. (Bot.) A species of hellebore (Helleborus foetidus), with digitate leaves. It has an offensive smell and acrid taste, and is a powerful emetic, cathartic, and anthelmintic.