from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A narrowing of the pylorus, which prevents the normal passage of food from the stomach to the small intestine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. narrowing of the pyloric sphincter that blocks the passage of food from the stomach into the duodenum
Sorry, no etymologies found.