guidepost (noun) beacon: light used as signal, guide
Sinonime: bayonet, blade, bolo, cutlass, cutter,
cutting edge,
dagger,
edge, lance, lancet, machete,
point, ripper, sabre, scalpel, scimitar, scythe, shank, shiv, sickle, skewer, skiver,
steel, stiletto, switchblade,
sword, tickler