Any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge).

Roget 253: sharpness etc. adj.; acuity, acumination^†; spinosity^†.    point, spike, spine, spicule [Biol.], spiculum^†; needle, hypodermic needle, tack, nail, pin; prick, prickle; spur, rowel, barb; spit, cusp; horn, antler; snag; tag thorn, bristle; Adam's needle^†, bear grass [U.S.], tine, yucca.    nib, tooth, tusk; spoke, cog, ratchet.    crag, crest, arete [Fr.], cone peak, sugar loaf, pike, aiguille^†; spire, pyramid, steeple.    beard, chevaux de frise [Fr.], porcupine, hedgehog, brier, bramble, thistle; comb; awn, beggar's lice, bur, burr, catchweed^†, cleavers, clivers^†, goose, grass, hairif^†, hariff, flax comb, hackle, hatchel^†, heckle.    wedge; knife edge, cutting edge; blade, edge tool, cutlery, knife, penknife, whittle, razor, razor blade, safety razor, straight razor, electric razor; scalpel; bistoury^†, lancet; plowshare, coulter, colter^†; hatchet, ax, pickax, mattock, pick, adze, gill; billhook, cleaver, cutter; scythe, sickle; scissors, shears, pruning shears, cutters, wire cutters, nail clipper, paper cutter; sword etc. (arms) 727; bodkin etc. (perforator) 262; belduque^†, bowie knife^†, paring knife; bushwhacker [U.S.]; drawing knife, drawing shave; microtome [Micro.]; chisel, screwdriver blade; flint blade; guillotine.    sharpener, hone, strop; grindstone, whetstone; novaculite^†; steel, emery.    ... show more

Roget 633: machinery, mechanism, engineering.    instrument, organ, tool, implement, utensil, machine, engine, lathe, gin, mill; air engine, caloric engine, heat engine.    gear; tackle, tackling, rig, rigging, apparatus, appliances; plant, materiel; harness, trappings, fittings, accouterments; barde^†; equipment, equipmentage^†; appointments, furniture, upholstery; chattels; paraphernalia etc. (belongings) 780.    mechanical powers; lever, leverage; mechanical advantage; crow, crowbar; handspike^†, gavelock^†, jemmy^†, jimmy, arm, limb, wing; oar, paddle; pulley; wheel and axle; wheelwork, clockwork; wheels within wheels; pinion, crank, winch; cam; pedal; capstan etc. (lift) 307; wheel etc. (rotation) 312; inclined plane; wedge; screw; spring, mainspring; can hook, glut, heald^†, heddle^†, jenny, parbuckle^†, sprag^†, water wheel.    handle, hilt, haft, shaft, heft, shank, blade, trigger, tiller, helm, treadle, key; turnscrew, screwdriver; knocker.    hammer etc. (impulse) 276; edge tool etc. (cut) 253; borer etc. 262; vice, teeth, etc. (hold) 781; nail, rope etc. (join) 45; peg etc. (hang) 214; support etc. 215; spoon etc. (vehicle) 272; arms etc. 727; oar etc. (navigation) 267; cardiograph, recapper^†, snowplow, tenpenny^†, votograph^†.    ... show more