quodlibet

from WordNet (r) 3.0 (2006)

quodlibet
    n 1: an issue that is presented for formal disputation

from The Collaborative International Dictionary of English v.0.48

Quodlibet \Quod"li*bet\ (kw[o^]d"l[i^]*b[e^]t), n. [L., what you
   please.]
   [1913 Webster]
   1. A nice point; a subtilty; a debatable point.
      [1913 Webster]

            These are your quodlibets, but no learning. --P.
                                                  Fletcher.
      [1913 Webster]

   2. (Mus.) A medley improvised by several performers.
      [1913 Webster]