2 definitions
for clearweed
From The Collaborative International Dictionary of English v.0.48 :
Richweed \Rich"weed`\, n. (Bot.)
An herb ({Pilea pumila) of the Nettle family, having a
smooth, juicy, pellucid stem; -- called also clearweed.
[1913 Webster]
From WordNet (r) 2.0 :
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]