Riffle definition
Riffle means the bottom of a concentrator containing a series of interstices or grooves to catch and retain a mineral such as gold.
Riffle means a section of shallow rapids where the water surface is broken by small waves.
Riffle means a short, relatively shallow, and coarse-bedded length of stream over which the stream flows at higher velocity and higher turbulence than it normally does in comparison to a pool.
Examples of Riffle in a sentence
Geib, Davina Two Bears, and Tim Wilcox) 2007 Condition Assessment and Significance Evaluation for Cultural Resources between Glen Canyon Dam and Paria Riffle, Glen Canyon National Recreation Area, Arizona.