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An acrid plant of the genus Polygonum (P. Hydropiper), which produces smarting if applied where the skin is tender.

A kind of knotweed (Polygonum Bistorta).

an. -- Sol`o*mon"ic, a. Solomon's seal (Bot.), a perennial liliaceous plant of the genus Polygonatum, having simple erect or curving stems rising from thick and knotted rootstocks, and with white or greenish nodding flowers. The commonest European species is Polygonatum multiflorum. P. biflorum and P. giganteum are co…

solid angle of the surface of any sphere whose center is the angular point. -- Spherical polygon,portion of the surface of a sphere bounded by the arcs of three or more great circles. -- Spherical projection, the projection of the circles of the sphere upon a plane. See Projection. -- Spherical sector. See under Sec…

young, pig. See Hog. "A great herd of swine." Mark v. 11. Swine grass (Bot.), knotgrass (Polygonum aviculare); -- so called because eaten by swine. -- Swine oat (Bot.), a kind of oat sometimes grown for swine. -- Swine's cress (Bot.), a species of cress of the genus Senebiera (S. Coronopus). -- Swine's head, a dolt…

A name given to several species of plants of the genus Polygonum, having angular stems beset with minute reflexed prickles.

t.), a bastion of masonry, often with chambers beneath, built at an angle of the interior polygon of some works. -- Tower mustard (Bot.), the cruciferous plant Arabis perfoliata. -- Tower of London, a collection of buildings in the eastern part of London, formerly containing a state prison, and now used as an arsenal…

A very handsome American butterfly (Polygonia interrogationis). Its wings are mottled with various shades of red and brown and have violet tips.

A kind of Solomon's seal (Polygonum officinale).

Any kind of Polygonum with willowlike foliage.