cotton curtain n. a political, social, and cultural divide, especially concerning race, between the American South and the rest of the country. Editorial Note: A similar term is Orange Curtain. Etymological Note: Patterned after Iron Curtain, defined by the New Oxford American Dictionary as “the notional barrier separating the former Soviet bloc and the West prior to the decline of communism that followed the political events in eastern Europe in 1989.” (source: Double-Tongued Dictionary)