'Horseweed' definitions:
Definition of 'horseweed'
(from WordNet)
noun
Erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States [syn: horse balm, horseweed, stoneroot, stone-root, richweed, stone root, Collinsonia canadensis]
noun
Common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron [syn: horseweed, Canadian fleabane, fleabane, Conyza canadensis, Erigeron canadensis]
Definition of 'Horseweed'
From: GCIDE
- Horseweed \Horse"weed`\, n. (Bot.) A composite plant (Erigeron Canadensis), which is a common weed. [1913 Webster]