quadrille
1. qua.drille \kwa:-'dril, k(w)*-\ n [F, lit., knights engaged in a
carrousel] : a 4-handed card game popular esp. in the 18th century
2. quadrille n [F, group of knights engaged in a carrousel, fr. Sp
cuadrilla troop] : a square dance for four couples made up of five or six
figures chiefly i n 6/8 and 2/4 time; also : music for this dance
3. quadrille aj : marked with squares or rectangles {~ paper}
Webster's English Dictionary