edge tool

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A tool, such as a chisel, that has a cutting edge.

from The Century Dictionary.

• noun Any tool with a cutting edge, as the ax, the chisel, the plane, the bit, etc.
• noun Same as edger, 2.
• noun Figuratively, a matter dangerous to tamper or sport with.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)