knife pleat(n = noun.artifact) - a single pleat turned in one direction;
is a kind of plait, pleat
has particulars: sunburst pleat, sunray pleat

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