Dictionary definition · riffle
noun
- a small wave on the surface of a liquid
- shuffling by splitting the pack and interweaving the two halves at their corners
verb
- twitch or flutter"the paper flicked"
- look through a book or other written material"He thumbed through the report"
- stir up (water) so as to form ripples
- shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
Source: Open English WordNet (CC BY 4.0).