a winkle.-a small ridge, prominence, or furrow formed by the shrinking or contraction of any smooth substance; a corrugation; a crease; a slight fold; as, wrinkle in the skin; a wrinkle in cloth.-hence, any roughness; unevenness.-a notion or fancy; a whim; as, to have a new wrinkle.-to contract into furrows and prominences; to make a wrinkle or wrinkles in; to corrugate; as, wrinkle the skin or the brow.-hence, to make rough or uneven in any way.-to shrink into furrows and ridges.