two fold Definition

double, dual, middle, seam, triptych, crimp, landau, omentum, sextodecimo, spread, tuck, valley, flytrap, spreading, step stool, anticline, bend, bias, biased, bight, close, complicate, complicated, convertible, cross, cusp, duplicate, fell, fly, groin, gutter, hug, hutter, labium, lap, lapel, leaf, lid, loop, nappe, over, pack, pleura, ply, quire, ram, reflection, replication, return, returning, returns, reverse, saddle, saw, scores, scoring, shut, shutting, side, stitch, stitched, strike, thickness, tucked, tucking, turn, turned, upping, ups, valve, wash, bosom, break, buckle, crease, doubling, duplication, fornix, lapped, membrane, overlap, sheet, sheets, sinus, bolt, flying lemur, jowl, septum, stump, trine, crest, baas, bag, concertina, curtain, curtains, dart, darting, darts, earflap,