Heracleum sphondylium n 1: tall coarse plant having thick stems and cluster of white to purple flowers [syn: {cow parsnip}, {hogweed}, {Heracleum sphondylium}]
Hogweed \Hog"weed`\, n. (Bot.) (a) A common weed ({Ambrosia artemisi[ae]ge}). See {Ambrosia}, 3. (b) In England, the {Heracleum Sphondylium}. [1913 Webster]
Cow parsnip \Cow" pars`nip\ (-n?p). (Bot.) A coarse umbelliferous weed of the genus {Heracleum} ({Heracleum sphondylium} in England, and {Heracleum lanatum} in America). [1913 Webster]
Bear's-breech \Bear's"-breech`\, bear's-breeches \bear's"-breech`es\, 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]