shirring (noun) fold: double thickness
Sinonime: bend, circumvolution, cockle, convolution, corrugation, crease, crimp, crinkle, dog's ear, flection, flexure,
furrow,
gather,
gathering,
groove, knife-edge, lap, lapel,
layer, loop,
overlap, plait, pleat, plica, plication, plicature, ply, pucker,
ridge, rimple, rivel, ruche, ruck, ruffle, rumple, shirring, smocking, tuck,
turn, wrinkle