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diverticulum

[dahy-ver-tik-yuh-luh m]
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noun, plural di·ver·tic·u·la [dahy-ver-tik-yuh-luh] /ˌdaɪ vərˈtɪk yə lə/. Anatomy.
  1. 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.
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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 formsdi·ver·tic·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for diverticulum

diverticulum

noun plural -la (-lə)
  1. any sac or pouch formed by herniation of the wall of a tubular organ or part, esp the intestines
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Derived Formsdiverticular, adjective

Word Origin

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

Word Origin and History for diverticulum

n.

"blind tube" (anatomical), 1819, Modern Latin, from Latin deverticulum "a bypath," from devertere "to turn aside" (see divert).

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Online Etymology Dictionary, © 2010 Douglas Harper

diverticulum in Medicine

diverticulum

(dī′vûr-tĭkyə-ləm)
n. pl. di•ver•tic•u•la (-lə)
  1. A pouch or sac branching out from a hollow organ or structure.
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Related formsdi′ver•ticu•lar adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

diverticulum in Science

diverticulum

[dī′vûr-tĭkyə-ləm]
Plural diverticula
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.