plication

plural plications

1. countableuncountablebiologyAn act of folding.First known use 15th c.
2. countableuncountablebiologyA fold or pleat.First known use 18th c.

   But the recognition of nappes set out the research project: you need not simply throw up your hands in despair at perverse plications and ceaseless crenelations in the Alps.

   2004, Richard Fortey, The Earth, Folio Society, published 2011, page 96

3. countableuncountablemedicineA surgical procedure in which a body part is strengthened or shortened by pulling together folds of excess material, and suturing them into place.First known use 20th c.