Lith'o-tōme, n.

[Fr. lithotome; Gr. λιθοτόμος, cutting stones, λιθότομος, cut in stone, from λίθος, stone, and τέμνειν, to cut.]

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.