Open English Wordnet
Nouns
(n)cascadea small waterfall or series of small waterfalls (n)cascadea succession of stages or operations or processes or units“progressing in severity as though a cascade of genetic damage was occurring”,
“separation of isotopes by a cascade of processes” (n)shower1, cascadea sudden downpour (as of tears or sparks etc.) likened to a rain shower“a little shower of rose petals”,
“a sudden cascade of sparks” Verbs
(v)cascadearrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible