carmagnole

noun

1. the short jacket with wide lapels, or the costume consisting of this jacket, black trousers, a red cap, and tricolored girdle, worn by French Revolutionaries (1792)
2. a lively song and street dance popular during the French Revolution

Etymology: Fr, altered (after Carmagnola, town in Piedmont, occupied by revolutionaries in 1792) < older carmignole, kind of cap (dial. carmignola, jacket); prob. ult. < L carminare, to card wool < carmen, a card < carrere: see card