Source : Webster's Revised Unabridged Dictionary (1913)

Lithotome \Lith"o*tome\, n. [Gr. ? cutting stones; li`qos stone
   + ? to cut: cf. F. lithotome.]
   1. A stone so formed by nature as to appear as if cut by art.

   2. (Surg.) An instrument used for cutting the bladder in
      operations for the stone.