definition of
riffle

[1] #1 riffle v. [flick, ruffle] twitch or flutter; "the paper flicked". wn

[2] #2 riffle n. [ripple, rippling, wavelet] a small wave on the surface of a liquid. wn

[3] #3 riffle n. shuffling by splitting the pack and interweaving the two halves at their corners. wn

[4] #4 riffle v. [flick, flip, thumb, leaf, riff] look through a book or other written material; "He thumbed through the report"; "She leafed through the volume". wn

[5] #5 riffle v. [ripple, ruffle, cockle, undulate] stir up (water) so as to form ripples. wn