from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The alimentary canal and digestive glands regarded as an integrated system responsible for the ingestion, digestion, and absorption of food.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A system of organs for the purpose of digesting food.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the system that makes food absorbable into the body
Sorry, no etymologies found.