Meaning of “ripple” - Learner’s Dictionary

ripple

noun [ C ] uk us /ˈrɪpl/
WAVE

a small wave or series of small waves on the surface of water:

She dived in, sending ripples across the pool.
SOUND

something that spreads through a place in a gentle way:

a ripple of applause/laughter

(Definition of “ripple noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)