wrinkle >> ˈrɪŋk(ə)l
Definition: [noun] a slight line or fold in something, especially fabric or the skin of the face.
Example: she smoothed out the wrinkles from her skirt
Definition: [noun] a clever innovation, or useful piece of information or advice.
Example: learning the wrinkles from someone more experienced saves time
Definition: [verb] make or cause lines or folds in (something, especially fabric or the skin).
Example: his hands and face were wrinkled by age