any tree or shrub of the genus Salix, characterized by narrow, lance-shaped leaves and dense catkins bearing small flowers, many species having tough, pliable twigs or branches used for wickerwork, etc. Compare willow family.
Definition: 2
the wood of any of these trees.
Definition: 3
Informal. something, especially a cricket bat, made of willow wood.
Definition: 4
Also called willower, willy. a machine consisting essentially of a cylinder armed with spikes revolving within a spiked casing, for opening and cleaning cotton or other fiber.