¦ verb
1. turn over something, especially pages, quickly and casually.
(riffle through) search quickly through.
disturb the surface of; ruffle.
2. shuffle (playing cards) by flicking up and releasing the corners of two piles of cards so that they intermingle.
¦ noun
1. an act of riffling.
2. N. Amer. a shallow part of a stream or river.
a patch of waves or ripples.
Origin