bolo knife(n = noun.artifact) bolo - long heavy knife with a single edge; of Philippine origin; Array
is a kind of knife

bolo, bolo tie, bowie knife, bread knife, butcher knife, butter knife, carving knife, case knife, clasp knife, fish knife, flick knife, hunting knife, knife, knife blade, knife edge, knife fight, knife pleat, knife switch, knife thrust, linoleum knife, palette knife, paper knife, paring knife, pocket knife, pruning knife, putty knife, sheath knife, spalding knife, spalting knife, steak knife, surgical knife, switchblade knife, table knife, trench knife