large intestine

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The portion of the intestine that extends from the ileum to the anus, forming an arch around the convolutions of the small intestine and including the cecum, colon, rectum, and anal canal.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy The second to last part of the digestive system, comprising the cecum and colon.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces