To provide; supply: used with with, and having a personal object: as, to furnish a family with food; to furnish a person with money for some purpose.To provide for use; make or afford a provision of; supply; yield: with a thing as object: as, to furnish arms for defense; Normally furnishes the best draft-horses; this fact furnishes a strong argument against your theory.To provide with what is proper or suitable; supply with anything; fit up or fit out; equip: as, to furnish a house, a library, or an expedition; to furnish the mind by study and observation.Specifically In ceramics, to ornament with pieces molded separately and afterward attached to the object, as a vase with figures of flowers, or the like.To provide one's self with equipment; equip one's self.To provide furniture for a room or a house.In racing slang, to take on flesh; improve in strength and appearance.n. Provision; outfit; furniture; supply.n. An obsolete variant of furnace.