bear's-breeches | n. 1. (Bot.) The English cow parsnip (Heracleum sphondylium) Dr. Prior. [ 1913 Webster ] 2. a widely cultivated southern European acanthus (Acanthus mollis) with whitish purple-veined flowers. See Acanthus, n., 1. Syn. -- bear's breech, bear's-breech, bear's breeches, sea holly. [ WordNet 1.5 ] Variants: Bear's-breech |