8 letters · 11 points in Scrabble
noun an abrupt change in the course of a stream that forms the boundary between two parcels of land resulting in the loss of part of the land of one landowner and a consequent increase in the land of anoth
noun a forcible tearing or surgical separation of one body part from another
originFrom Latin avulsio from a- + vellō.
Etymology from Wiktionary, CC BY-SA 3.0