crease

an angular or rounded shape made by folding; "a fold in the napkin"; "a crease in his trousers"; "a plication on her blouse"; "a flexure of the colon"; "a bend of his elbow"

a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles"

a Malayan dagger with a wavy blade

make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; "The dress got wrinkled"; "crease the paper like this to make a crane"

make wrinkled or creased; "furrow one's brow"

scrape gently; "graze the skin"

become wrinkled or crumpled or creased; "This fabric won't wrinkle"