Cutter /(kŭt"tẽr)/

Cut·ter

Cutter

n.
  1. One who cuts; as, a stone cutter; a die cutter; esp., one who cuts out garments.
  2. That which cuts; a machine or part of a machine, or a tool or instrument used for cutting, as that part of a mower which severs the stalk, or as a paper cutter.
  3. A fore tooth; an incisor.
  4. A boat used by ships of war. (Naut.)
  5. A small, light one-horse sleigh.
  6. An officer in the exchequer who notes by cutting on the tallies the sums paid.
  7. A ruffian; a bravo; a destroyer. [Obs.]
  8. A kind of soft yellow brick, used for facework; -- so called from the facility with which it can be cut.

Phrases & Compounds
Cutter bar
A bar which carries a cutter or cutting tool, as in a boring machine.
Cutter head
a rotating head, which itself forms a cutter, or a rotating stock to which cutters may be attached, as in a planing or matching machine.