Richweed \Rich"weed`\, n. (Bot.) An herb ({Pilea pumila}) of the Nettle family, having a smooth, juicy, pellucid stem; -- called also {clearweed}.
clearweed n : a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves [syn: {richweed}, {dead nettle}, {Pilea pumilla}]