red. [R.] Rouge et noir ( Etym: [F., red and black], a game at cards in which persons play against the owner of the bank; -- so called because the table around which the players sit has certain compartments colored red and black, upon which the stakes are deposited. Hoyle.
1. (Chem.) A red amorphous powder consisting of ferric oxide. It is used in polishing glass, metal, or ge...
