Any tree or shrub of the genus Salix, including many species, most of which are characterized often used as an emblem of sorrow, desolation, or desertion. "A wreath of willow to show my forsaken plight." Sir W. Scott. Hence, a lover forsaken by, or having lost, the person beloved, is said to wear the willow.
- Any of various deciduous trees or shrubs of the genus Salix, having usually narrow leaves, unisexual flowers borne in catkins, and strong lightweight wood.
- The wood of any of these trees.
- Something, such as a cricket bat, that is made from willow.
- A textile machine consisting of a spiked drum revolving inside a chamber fitted internally with spikes, used to open and clean unprocessed cotton or wool.
- To open and clean (textile fibers) with a willow.