Cotillon /(kō̇`tē̇`yôN" [or] kō̇`tē̇l`-; 277)/

Co·til·lon

Cotillon

n.
  1. A brisk dance, performed by eight persons; a quadrille.
  2. A tune which regulates the dance.
  3. A kind of woolen material for women's skirts.
  4. A formal ball, especially one at which debutantes are first presented to society.