quillet

from The Collaborative International Dictionary of English v.0.48

Quillet \Quil"let\, n. [L. quidlibet what you please. Cf.
   {Quiddit}, and {Quibble}.]
   Subtilty; nicety; quibble. "Nice, sharp quillets of the law."
   --Shak.
   [1913 Webster]