a sizable mass or body of snowfall and ice sliding swiftly down a mountain part or dropping down a precipice
- gather into a big size and roll down a mountain, of snow
- a sudden look of an overwhelming wide range of things
- a slide of huge masses of snow and ice and mud down a mountain
- A large size or human 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.
1763, from French avalanche (17c.), from Romansch (Swiss) avalantze "descent," modified (by metathesis of -l- and -v-, probably affected by Old French avaler "to descend, go down") from Savoy dialect lavantse, from Established
(n.) A large mass or human body of snowfall and ice sliding swiftly down a mountain part, or falling down a precipice.
- (letter.) A fall of planet, rocks, etc., similar to that of an avalanche of snow or ice.
- (n.) An abrupt, great, or irresistible lineage or influx of everything.
At the same time, any excessive local rainfall is productive of difficulty and danger from the floods of liquid mud and loose boulders which sweep like an avalanche down the hill sides.