a place or establishment where iron or other metals are wrought by heating and hammering; especially, a furnace, or a shop with its furnace, etc., where iron is heated and wrought; a smithy.-the works where wrought iron is produced directly from the ore, or where iron is rendered malleable by puddling and shingling; a shingling mill.-the act of beating or working iron or steel; the manufacture of metalic bodies.-to form by heating and hammering; to beat into any particular shape, as a metal.-to form or shape out in any way; to produce; to frame; to invent.-to coin.-to make falsely; to produce, as that which is untrue or not genuine; to fabricate; to counterfeit, as, a signature, or a signed document.-to commit forgery.-to move heavily and slowly, as a ship after the sails are furled; to work one's way, as one ship in outsailing another; -- used especially in the phrase to forge ahead.-to impel forward slowly; as, to forge a ship forward.