quodlibet

noun4

1. •
   A form of music with melodies in counterpoint.
2. •
   A mode of philosophical debate popular in the Middle Ages, in which any question could be posed extemporaneously.
3. •
   A form of trompe l'oeil which realistically renders domestic items (paper-knives, playing-cards, ribbons, etc).
4. •
   A card game that combines several different contracts.