(1):

(v. t.) To cause to begin to wither; to make flaccid, as a green plant.

(2):

(v. i.) To begin to wither; to lose freshness and become flaccid, as a plant when exposed when exposed to drought, or to great heat in a dry day, or when separated from its root; to droop;. to wither.

(3):

2d pers. sing. of Will.

(4):

(v. t.) Hence, to cause to languish; to depress or destroy the vigor and energy of.