'Gainage' definitions:

Definition of 'Gainage'

From: GCIDE

Gainage \Gain"age\ (?, 48), n. [OF. gaignage pasturage, crop, F. gaignage pasturage. See Gain, v. t.] (O. Eng. Law) (a) The horses, oxen, plows, wains or wagons and implements for carrying on tillage. (b) The profit made by tillage; also, the land itself. --Bouvier. [1913 Webster]