undulate
verb(un-du-late)
stir up (water) so as to form ripples
undulate
verb(un-du-late)
move in a wavy pattern or with a rising and falling motion
Examples:
The curtains undulated.
undulate
verb(un-du-late)
occur in soft rounded shapes
undulate
adjective(un-du-late)
having a wavy margin and rippled surface
undulate
verb(un-du-late)
increase and decrease in volume or pitch, as if in waves
Examples:
The singer's voice undulated.