The Collaborative International Dictionary
Willow-weed
Willow-weed \Wil"low-weed`\, n. (Bot.)
A European species of loosestrife ( Lysimachia vulgaris).
Any kind of Polygonum with willowlike foliage.
Wiktionary
willow-weed
n. 1 A European species of loosestrife ((taxlink Lysimachia vulgaris species)). 2 Any kind of ''Polygonum'' with willow-like foliage.