v. & n.
v. 1 tr. a turn (pages) in quick succession. b shuffle (playing-cards) esp. by flexing and combining the two halves of a pack. 2 intr. (often foll. by through) leaf quickly (through pages).
n. 1 the act or an instance of riffling. 2 (in gold-washing) a groove or slat set in a trough or sluice to catch gold particles. 3 US a a shallow part of a stream where the water flows brokenly. b a patch of waves or ripples on water.
[ perh. var. of RUFFLE ]