- ripples
- riffles
Generated: This meaning refers to small waves or undulations that are formed on the surface of a liquid, typically seen in water.
Ripples appeared on the surface of the water.
Generated: This meaning refers to a series of small, rapid waves or currents in a stream or river, often created by the water passing over rocks or obstacles.
As the creek flowed, small riffles appeared on the water's surface.