avulsion

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. 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 another
• Hypernyms:
change, alteration, modification
2. a forcible tearing or surgical separation of one body part from another
• Derivationally related forms:
avulse
• Hypernyms:
separation