Pussy willow Meaning, Definition & Usage

  1. noun small willow of eastern North America having greyish leaves and silky catkins that come before the leaves
    Salix discolor.
  2. noun much-branched Old World willow having large catkins and relatively large broad leaves
    goat willow; Salix caprea; florist's willow.

WordNet

Definitions
  1. (Bot.), any kind of willow having large cylindrical catkins clothed with long glossy hairs, especially the American Salix discolor; called also glaucous willow, and swamp willow.

Webster 1913