- horseweed
- noun1. 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: ↑Canadian fleabane, ↑fleabane, ↑Conyza canadensis, ↑Erigeron canadensis• Hypernyms: ↑weed• Member Holonyms: ↑Conyza, ↑genus Conyza2. erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States• Syn: ↑horse balm, ↑stoneroot, ↑stone-root, ↑richweed, ↑stone root, ↑Collinsonia canadensis• Hypernyms: ↑herb, ↑herbaceous plant• Member Holonyms: ↑Collinsonia, ↑genus Collinsonia
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\\ˈ ̷ ̷ˌ ̷ ̷\ noun1. : a common No. American weed (Erigeron canadensis) with linear leaves and small discoid heads of yellowish flowers2. : horse balm3. : great ragweed4. : wild lettuce 1b(3)* * *
/hawrs"weed'/, n.1. a North American composite weed, Erigeron canadensis, having narrow, hairy leaves and clusters of very small greenish-white flowers.2. See horse balm.3. any of various other common weeds with small yellow flowers.[1780-90, Amer.; HORSE + WEED1]
Useful english dictionary. 2012.