n. Chemical symbol, Cu; atomic weight, 63.3. A metal distinguished from all others by its peculiar red Color.n. A vessel made of copper, particularly a large boiler; specifically, in the plural, the large kettles or boilers in a ship's galley for boiling food for the ship's company.n. Hence plural The mouth, throat, and stomach, as the receptacle and digester of food. See hot coppers, below.n. A copper coin; a penny; a cent; collectively, copper money; small change.n. In faro, a check, small disk like a coin, or other convenient object, used to copper with. See copper, v., 2.n. plural Copper butterflies. See butterfly.n. A reel used by wire-drawers to wind wire upon.Consisting of or resembling copper.To cover or sheathe with sheets of copper: as, to copper a ship.In faro, to place a copper (cent) or other token upon (a card), to indicate that the player wishes to bet against that card; bet against: as, to copper a card; to copper a bet.n. The plate of copper which contains or is intended to contain on its surface the engraved or etched design prepared for printing.To coat with copper: as, to copper type; also, to color by means of a salt of copper: as, to copper pickles, etc., in order to make them a bright-green color.n. A policeman. See cop.