- (intransitive) To rush down; rush downward.
1989, Michel Gresset, Fascination: Faulkner's fiction, 1919-1936:
- [...] For there is death in the sound of it, and a glamorous fatality, like silver pennons downrushing at sunset, or a dying fall of horns along the road to Roncevaux.
downrush (plural downrushes)
- A rushing down.