Sal″low (săl″lō̍), n. [OE. salwe, AS. sealh; akin to OHG. salaha, G. salweide, Icel. selja, L. salix, Ir. sail, saileach, Gael. seileach, W. helyg, Gr. ελἵκη.] 1. The willow; willow twigs. Tennyson.
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, S. cinerea, etc.
Sallow thorn(Bot.), a European thorny shrub (Hippophae rhamnoides) much like an Elæagnus. The yellow berries are sometimes used for making jelly, and the plant affords a yellow dye.