cascade system

14 LETTERS · STARTS WITH C

cascade system is a valid 14-letter word worth 23 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1S1C3A1D2E1S1Y4S1T1E1M3

3 + 1 + 1 + 3 + 1 + 2 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does cascade system mean?