diverticulum

[ dahy-ver-tik-yuh-luh m ]
/ ˌdaɪ vərˈtɪk yə ləm /

noun, plural di·ver·tic·u·la [dahy-ver-tik-yuh-luh] /ˌdaɪ vərˈtɪk yə lə/. Anatomy.

a blind, tubular sac or process branching off from a canal or cavity, especially an abnormal, saclike herniation of the mucosal layer through the muscular wall of the colon.

Origin of diverticulum

1640–50; < Latin, variant of dēverticulum byway, tributary, means of escape, equivalent to dēverti- (combining form of dēvertere, equivalent to dē- de- + vertere to turn) + -culum -cule2

Related forms

di·ver·tic·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for diverticula

diverticulum

/ (ˌdaɪvəˈtɪkjʊləm) /

noun plural -la (-lə)

any sac or pouch formed by herniation of the wall of a tubular organ or part, esp the intestines

Derived Forms

diverticular, adjective

Word Origin for diverticulum

C16: from New Latin, from Latin dēverticulum by-path, from dēvertere to turn aside, from vertere to turn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for diverticula

diverticulum

[ dī′vûr-tĭkyə-ləm ]

n. pl. di•ver•tic•u•la (-lə)

A pouch or sac branching out from a hollow organ or structure.

Related forms

di′ver•ticu•lar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for diverticula

diverticulum

[ dī′vûr-tĭkyə-ləm ]

Plural diverticula

A pouch or sac branching out from a portion of the gastrointestinal tract, especially the large intestine. A diverticulum can occur as a normal structure, or it can be caused by a hernia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.