1. a waterfall, especially one that flows over steep rocks in a series of steps
2. a large amount of something that falls, flows, or rushes downward
3. a series of things happening one after another

1. to fall, flow, or rush downward like a waterfall
2. to happen in a series, with each event causing the next

Examples

• The mountain cascade dropped fifty feet into the pool below.
• Her long hair fell in a cascade over her shoulders.
• The economic crisis triggered a cascade of business failures.
• Water cascaded down the rocky cliff.
• The news cascaded through social media within hours.
• A cascade of sparks flew from the welding torch.
• Problems began to cascade when the main server failed.