WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. horse balm, horseweed, stoneroot, stone-root, richweed, stone root, Collinsonia canadensis, herb, herbaceous plant
- usage: erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States
- 2. richweed, clearweed, dead nettle, Pilea pumilla, nettle
- usage: a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves
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See also: richweed (Dictionary)