<p><strong>Noun</strong></p><ul><li>a low, continuous sound, as of a brook, the wind, or trees, or of low, indistinct voices.</li><li>a small wave or undulation, as on water.</li><li>a sound, as of water flowing in ripples: a ripple of laughter.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to form small waves or undulations, as water agitated by a breeze.</li><li>(used with object) to form or have small undulations, ruffles, or folds.</li></ul>