ripple : Idioms & Phrases

• . (Bot.) See Ribwort.

Webster 1913

• noun one of a series of small ridges produced in sand by water currents or by wind
  ripple mark.
  

WordNet

• noun one of a series of small ridges produced in sand by water currents or by wind
  ripple mark.
  

WordNet

• 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.

Webster 1913

• noun an Old World plantain with long narrow ribbed leaves widely established in temperate regions
  narrow-leaved plantain; English plantain; ribwort; buckthorn; Plantago lanceolata; ribgrass.
  

WordNet