n. 1.a small wave on the surface of a liquid 2.shuffling by splitting the pack and interweaving the two halves at their corners riffle v. 1.twitch or flutter 2.look through a book or other written material 3.stir up (water) so as to form ripples 4.shuffle (playing cards) by separating the deck into two parts and riffling with the thumbs so the cards intermix
