n., pl., -la (-lə).
A pouch or sac branching out from a hollow organ or structure, such as the intestine.
[New Latin, from Latin dēverticulum, by-path, from dēvertere, to turn aside : dē-, de- + vertere, to turn; see divert.]
diverticular di'ver·tic'u·lar adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.