{ ‖ } n. [ F. cotillon, fr. OF. cote coat, LL. cotta tunic. See Coat. ] 1. A brisk dance, performed by eight persons; a quadrille. [ 1913 Webster ]

2. A tune which regulates the dance. [ 1913 Webster ]

3. A kind of woolen material for women's skirts.

4. A formal ball, especially one at which debutantes are first presented to society. [ 1913 Webster +PJC ]