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.
The shelf broke and the boxes avalanched the workers.
To come down upon; to overwhelm.
To descend like an avalanche.
To propel downward like an avalanche.
An accumulation of packed snow, usually the seasonal amount.