plication

Plural: plications

Noun

• an angular or rounded shape made by folding
  • "a plication on her blouse"
• the act of folding in parallel folds
• An act of folding.
• A fold or pleat.
• A surgical procedure in which a body part is strengthened or shortened by pulling together folds of excess material, and suturing them into place.

Synonyms

bend, crease, crimp, flexure, fold, pleating, plicature