Meaning of “crinkle” - Learner’s Dictionary

crinkle

verb [ I, T ] uk us /ˈkrɪŋkl/

to become covered in small lines or folds, or to make something become covered in small lines or folds

crinkly adjective

Something that is crinkly has crinkles in it.

(Definition of “crinkle” from the Cambridge Learner’s Dictionary © Cambridge University Press)