(ring′kəl) noun
1. A small ridge or prominence, as on a smooth surface; a crease; fold.
2. Specifically, a small fold or crease in the skin, usually produced by age or by excessive exposure to the elements.
3. A ripple; little wave.
—v.t. & v.i. ·kled, ·kling To contract or be contracted into wrinkles or ridges; pucker. [OE wrincle. Akin to WRENCH.]
—wrin′kly adjective

(ring′kəl) noun Colloq.
A curious or ingenious notion or device; happy thought; a novelty, as in dress. See synonyms under WHIM. [Prob. dim. of OE wrenc a trick]