noun the willow; willow twigs.
2. sallow ·vt to tinge with sallowness.
3. sallow ·superl having a yellowish color; of a pale, sickly color, tinged with yellow; as, a sallow skin.
4. sallow ·noun a name given to certain species of willow, especially those which do not have flexible shoots, as salix caprea, s. cinerea, ·etc.