Found 2 items, similar to Ripple marks.
English → English (WordNet) Definition: ripple mark ripple mark n : one of a series of small ridges produced in sand by water currents or by wind
English → English (gcide) Definition: Ripple marks Ripple \Rip"ple\, n. 1. The fretting or dimpling of the surface, as of running water; little curling waves. [1913 Webster] 2. A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter. [1913 Webster] 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. [1913 Webster]