Rip·ple, n.
 1. The fretting or dimpling of the surface, as of running water; little curling waves.
 2. A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter.
 Ripple grass. Bot. See Ribwort.
 Ripple marks, a system of parallel ridges on sand, produced by wind, by the current of a steam, or by the agitation of wind waves; also Geol., a system of parallel ridges on the surface of a sandstone stratum.

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