|1.||a forcible tearing away or separation of a bodily structure or part, either as the result of injury or as an intentional surgical procedure|
|2.||law the sudden removal of soil from one person's land to that of another, as by flooding|
|[C17: from Latin āvulsiō, from āvellere to pluck away, from vellere to pull, pluck]|
avulsion a·vul·sion (ə-vŭl'shən)
The forcible tearing away of a body part by trauma or surgery.