Noun
1. 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"2. a slight depression in the smoothness of a surface;
"his face has many lines""ironing gets rid of most wrinkles"3. a Malayan dagger with a wavy blade