(1):
(v. t.) An association of men belonging to the same class, or engaged in kindred pursuits, formed for mutual aid and protection; a business fraternity or corporation; as, the Stationers' Guild; the Ironmongers' Guild. They were originally licensed by the government, and endowed with special privileges and authority.
(2):
(v. t.) A guildhall.
(3):
(v. t.) A religious association or society, organized for charitable purposes or for assistance in parish work.