Scrabble?! CASCADE

Definitions of CASCADE in various dictionaries:

noun - a small waterfall or series of small waterfalls

noun - a succession of stages or operations or processes or units

noun - a sudden downpour (as of tears or sparks etc) likened to a rain shower

verb - rush down in big quantities, like a cascade

verb - arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible

A waterfall or a series of small waterfalls over steep rocks.

Something, such as lace, thought to resemble a waterfall or series of small waterfalls, especially an arrangement or fall of material.

A succession of stages, processes, operations, or units.

A series of components or networks, the output of each of which serves as the input for the next.

verb - to fall like a waterfall