| Knife-edge (n.) A piece of steel sharpened to an acute edge or angle, and resting on a smooth surface, serving as the axis of motion of a pendulum, scale beam, or other piece required to oscillate with the least possible friction. Thesaurus Entries adz, ax, blade, bread knife, bushwhacker, butcher knife, carving knife, chaser, chisel, cleaver, clipper, clippers, cold steel, cutlery, cutter, cutting edge, dagger, edge, edge tools, featheredge, gouge, hack, hatchet, hoe, hunting knife, jackknife, knife, knife-edge, lance, lancet, letter-opener, machete, mattock, naked steel, nippers, paper cutter, paper knife, paring knife, penknife, pick, pickax, pigsticker, plowshare, point, puncturer, razor, razor blade, razor-edge, saw knife, sax, scalpel, scissors, scoop, scraper, scuffle hoe, scythe, share, sharpener, shears, sheath knife, sickle, sidecutters, snips, spear, spokeshave, steel, surgical knife, sword, table knife, toad sticker, weapon, wedge, whittle |