Avalanche

1. n. A sudden, great, or irresistible descent or influx of anything.
2. n. A large mass or body of snow and ice sliding swiftly down a mountain side, or falling down a precipice.
3. n. A fall of earth, rocks, etc., similar to that of an avalanche of snow or ice.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.