(~s, cascading, ~d)
If you refer to a ~ of something, you mean that there is a large amount of it. (LITERARY)
The women have lustrous ~s of black hair...
N-COUNT: usu N of n
If water ~s somewhere, it pours or flows downwards very fast and in large quantities.
She hung on as the freezing, rushing water ~d past her...
VERB: V adv/prep