undulate
undulate - verb
- stir up (water) so as to form ripples
- occur in soft rounded shapes
- move in a wavy pattern or with a rising and falling motion
- increase and decrease in volume or pitch, as if in waves
undulate - adjective
- having a wavy margin and rippled surface
undulate - thesaurus
cockle
flap
riffle
ripple
roll
ruffle
wave