The word "crinkle" has multiple meanings, depending on its context.
1) Crinkle can refer to a fold or crease in fabric or paper that creates a rippled appearance. For example, you might say that a piece of tinfoil has crinkles if it is wrinkled and rumpled.
2) In the context of clothing, "crinkle" can describe a textured fabric with a wavy pattern, often made from cotton or polyester. This type of material looks like it has small waves or ripples when viewed up close.
3) Crinkle is also used to describe the sound that something makes when it is crumpled or bent, such as crinkling paper or a plastic bag being scrunched up.
Overall, "crinkle" can refer to a physical appearance of wrinkles or waves in fabric or paper, or the sound made by bending or crushing something.