ripple in WordNet English dictionary

1. flow in an irregular current with a bubbling noise
   "babbling brooks"
   ripple  babble  guggle  burble  bubble  gurgle 
   
2. stir up (water) so as to form ripples
   ripple  ruffle  riffle  cockle  undulate 
   

1. a small wave on the surface of a liquid
   ripple  rippling  riffle  wavelet 
   
2. (electronics) an oscillation of small amplitude imposed on top of a steady value
   ripple