\Thwit"tle\, v. t. [See {Thwite}, and {Whittle}.]
To cut or whittle. [Obs. or Prov. Eng.] --Palsgrave.

\Thwit"tle\, n.
A small knife; a whittle. [Written also {thwitel}.] [Obs.]
``A Sheffield thwittle.'' --Chaucer.