An angular or rounded shape made by folding:
— A plication on her blouse.

synonyms: bend, crease, crimp, flexure, fold.

Roget 258: fold, plicature^†, plait, pleat, ply, crease; tuck, gather; flexion, flexure, joint, elbow, double, doubling, duplicature^†, gather, wrinkle, rimple^†, crinkle, crankle^†, crumple, rumple, rivel^†, ruck^†, ruffle, dog's ear, corrugation, frounce^†, flounce, lapel; pucker, crow's feet; plication^†.    ... show more

Dutch: kreukel, vouw, plooi, soufflé
Polish: zagięcie, przegięcie, zgięcie, załamanie

The act of folding in parallel folds.

synonym: pleating.