Dictionary
a•vul•sion
Pronunciation: (u-vul'shun), [key]—
n.
1. a tearing away.
2. Law.the sudden removal of soil by change in a river's course or by a flood, from the land of one owner to that of another.
3. a part torn off.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.