lancers

from WordNet (r) 3.0 (2006)

lancers
    n 1: a quadrille for 8 or 16 couples

from The Collaborative International Dictionary of English v.0.48

lancers \lancers\ n.
   1. A set of quadrilles for 8 or 16 couples. [WordNet sense 1]
      [Written also {lanciers}.]
      [WordNet 1.5]

   2. Music appropriate for a set of lancers[1].
      [PJC]