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1640s, from French cascade (17c.), from Italian cascata "waterfall," from cascare "to fall," from Vulgar Latin *casicare, frequentative of Latin casum, casus, past participle of cadere "to fall" (see case (n.1)).
1702, from cascade (n.). In early 19c. slang, "to vomit." Related: Cascaded; cascading.
cascade cas·cade (kā-skād')
A succession of actions, processes, or operations, as of a physiological process.
waterfall, especially a series of small falls, consisting of water descending over rocks or boulders. It may be natural or it may be artificial. The cascade has often been used as a feature of formal gardens.