| Noun | 1.sage willow - willow shrub of dry places in the eastern United States having long narrow leaves canescent beneathdwarf gray willow, dwarf grey willow, Salix tristisgenus Salix, Salix - a large and widespread genus varying in size from small shrubs to large trees: willowswillow, willow tree - any of numerous deciduous trees and shrubs of the genus Salix | | 2.sage willow - North American shrub with whitish canescent leaveshoary willow, Salix candidagenus Salix, Salix - a large and widespread genus varying in size from small shrubs to large trees: willowswillow, willow tree - any of numerous deciduous trees and shrubs of the genus Salix |