Is “Cascade” a Scrabble word?
Yes
CASCADE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cascade
/kæsˈkeɪd/
noun
1.A waterfall or series of small waterfalls.
2.A stream or sequence of a thing or things occurring as if falling like a cascade.
3.A series of electrical (or other types of) components, the output of any one being connected to the input of the next; See also daisy chain
verb
1.To fall as a waterfall or series of small waterfalls.
2.To arrange in a stepped series like a waterfall.
3.To occur as a causal sequence.