from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See alimentary canal.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. System of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and expels the remaining waste.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination
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