The act or process denoted by the verb wither; specifically, in the manufacture of black tea, the operation of wilting the fresh leaf by exposing it, thinly spread, for some time to the air. Withering expels half the water from the leaf and fits it to endure rolling (which see) without breaking, also developing oxidation. See black tea.Blasting; blighting; scorching: as, a withering glance; a withering wind.