Sal·low n.
 1. The willow; willow twigs. [Poetic]
    And bend the pliant sallow to a shield.   --Fawkes.
    The sallow knows the basketmaker's thumb.   --Emerson.
 2. Bot. A name given to certain species of willow, especially those which do not have flexible shoots, as Salix caprea, Salix cinerea, etc.
 Sallow thorn Bot., a European thorny shrub (Hippophae rhamnoides) much like an Elaeagnus. The yellow berries are sometimes used for making jelly, and the plant affords a yellow dye.