nouns
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