(1):

(n.) A prescribing for title; the claim of title to a thing by virtue immemorial use and enjoyment; the right or title acquired by possession had during the time and in the manner fixed by law.

(2):

(n.) The act of prescribing, directing, or dictating; direction; precept; also, that which is prescribed.

(3):

(n.) A direction of a remedy or of remedies for a disease, and the manner of using them; a medical recipe; also, a prescribed remedy.