(1):

(v. i.) To prescribe or administer drugs or medicines.

(2):

(n.) A drudge (?).

(3):

(v. t.) To affect or season with drugs or ingredients; esp., to stupefy by a narcotic drug. Also Fig.

(4):

(v. t.) To tincture with something offensive or injurious.

(5):

(n.) Any commodity that lies on hand, or is not salable; an article of slow sale, or in no demand.

(6):

(v. t.) To dose to excess with, or as with, drugs.

(7):

(n.) Any animal, vegetable, or mineral substance used in the composition of medicines; any stuff used in dyeing or in chemical operations.

(8):

(v. i.) To drudge; to toil laboriously.