Rouge
in ordinary language, a cosmetic prepared from the dried flowers of Carthamus tinctorius, and used to impart artificial bloom to the cheeks or lips. Jeweler's rouge: an impalpable preparation of oxide of iron, obtained by gently heating the yellow oxalate of iron till it decomposes, carbonic acid escaping, and only a red powder being left. It is used for polishing silver, and for this purpose should be of the finest quality. Many cheaper varieties are sold under this name.
ROUGE ET NOIR (French, "red and black"), TRENTE-UN ("31"), or TRENTE ET QUARANTE ("30 and 40"), a modern game of chance, played by the aid of packs of cards on a table covered with green cloth.