Red: as in the French rouge croix, rouge et noir, etc.n. Any red cosmetic or coloring for the skin.n. A scarlet, bright-crimson, or dark-red polishing-powder (peroxid of iron, sometimes intermingled with black oxid) made by a variety of processes, and varying in color according to the mode of production.To color (the skin, especially the cheeks) with rouge.To cause to become red, as from blushing.To use rouge, especially on the cheeks.To become red; redden; blush.n. A finely powdered red oxid of iron, or hematite (which see), generally mixed with a paste or glue and sold in sticks or in the form of powder.n. In roulette, a bet that the color of the number will be red.