A kind of willow (Salix viminalis) growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow.
- Any of several willows having long rodlike twigs used in basketry, especially the Eurasian Salix viminalis and S. purpurea.
- A twig of one of these trees.
- Any of various similar or related trees.