Financial resources are in great abundance. If you are showered by one, loss of property.
Dream dictionary: Cascade Or Waterfall dream meanings
…was lost in a blinding, deafening, suffocating rush through the air, a rush which terminated not in any conscious temporary stage, but in my suddenly finding myself in a thickly wooded glade, sitting close beside a waterfall and watching my recent conductor, who was standing on the brink of a deep pool immediately beneath the cascade, bending slowly backwards and forwards, and assuming, every now and then, the most grotesque and extravagant attitude. I was wondering what he meant by these attitudes, when he came to an abrupt pause, and, stooping slightly forward, craned his neck in my direction, and began contorting his face in every conceivable shape, till at last he appeared all mouth. Rushing at me he was about to swallow me, when I awoke. I had this dream prior to a time when my affairs were singularly prosperous all round, which condition of things was undoubtedly presaged…