noun A small waterfall, typically one of several that fall in stages down a steep rocky slope. (the waterfall raced down in a series of cascades) A process whereby something, typically information or knowledge, is successively passed on. (the greater the number of people who are well briefed, the wider the cascade effect)
verb (of water) pour downwards rapidly and in large quantities. (water was cascading down the stairs) Pass (something) on to a succession of others. (teachers who are able to cascade their experience effectively) Arrange (a number of devices or objects) in a series or sequence.