What is the meaning of Avalanche?

A large mass or body of snow and ice sliding swiftly down a mountain side, or falling down a precipice.

A fall of earth, rocks, etc., similar to that of an avalanche of snow or ice.

A sudden, great, or irresistible descent or influx; anything like an avalanche in suddenness and overwhelming quantity.

To descend like an avalanche.

To come down upon; to overwhelm.

To propel downward like an avalanche.

avalanche

avalanche (large mass of snow sliding down a mountain side)

(sudden, great, or irresistible influx of anything)

Source: wiktionary.org