n. In surgery, the resection of a portion of the stomach, as for instance a cancerous pylorus.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. surgical removal of all or part of the stomach
Word Usage
"(voice-over): Last month, Maria had an experimental procedure known as a gastrectomy; 80 percent of her stomach was removed including the area that makes her appetite hormones."