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