a tree or shrub of temperate climates which typically has narrow leaves, bears catkins, and grows near water. Its pliant branches yield osiers for basketry, and the timber has various uses 柳,柳树,柳木
Genus Salix, family Salicaceae: many species 柳属,杨柳科:多种
语源
Old English welig, of Germanic origin; related to Dutch wilg