Thwittle

Thwit"tle, n. A small knife; a whittle. [Written also thwitel.] [Obs.] "A Sheffield thwittle." Chaucer.

Thwit"tle (?), v. t. [See Thwite, and Whittle.] To cut or whittle. [Obs. or Prov. Eng.] Palsgrave.