'Richweed' definitions:

Definition of 'richweed'

(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
A plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves [syn: richweed, clearweed, dead nettle, Pilea pumilla]

Definition of 'Richweed'

From: GCIDE
  • Richweed \Rich"weed`\, n. (Bot.) An herb (Pilea pumila) of the Nettle family, having a smooth, juicy, pellucid stem; -- called also clearweed. [1913 Webster]