- 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 of
anything.
Meaning of 'avalanche' (Princeton's WordNet)
1 . avalanche
[ n]
Meaning (1): - a sudden appearance of an overwhelming number of things