diverticulum

noun
di·​ver·​tic·​u·​lum | \ ˌdī-vər-ˈti-kyə-ləm How to pronounce diverticulum (audio) \
plural diverticula\ ˌdī-​vər-​ˈti-​kyə-​lə How to pronounce diverticulum (audio) \

Definition of diverticulum

1 : an abnormal pouch or sac opening from a hollow organ (such as the intestine or bladder)
2 : a pocket or closed branch opening off a main passage

Keep scrolling for more

Other Words from diverticulum

diverticular \ ˌdī-​vər-​ˈti-​kyə-​lər How to pronounce diverticulum (audio) \ adjective

Examples of diverticulum in a Sentence

Recent Examples on the Web As pressure increases inside the diverticulum, the cells inside get less blood flow and the wall can burst. Andrea K. Mcdaniels, baltimoresun.com, "Diverticulitis can cause digestive problems for some," 7 June 2018 If the diverticulum ruptures, bacteria escape into the abdomen, leading to a more widespread infection. Andrea K. Mcdaniels, baltimoresun.com, "Diverticulitis can cause digestive problems for some," 7 June 2018 Zenker’s diverticulum is a pouch that forms where the pharynx, or voicebox, meets the esophagus. Sandra G. Boodman, Washington Post, "She’d lost a lot of weight and had trouble swallowing. Was she dying?," 17 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diverticulum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of diverticulum

circa 1819, in the meaning defined at sense 1

History and Etymology for diverticulum

borrowed from New Latin dīverticulum, going back to Latin dēverticulum, dīverticulum "turn off the main road, byway, deviation," from dēvertere "to turn away, divert, make a turn aside/detour" + -i- -i- + -culum, suffix of instruments (going back to *-klom, -tlom) — more at divert

Keep scrolling for more

Learn More about diverticulum

Time Traveler for diverticulum

Time Traveler

The first known use of diverticulum was circa 1819

See more words from the same year

Statistics for diverticulum

Cite this Entry

“Diverticulum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diverticulum. Accessed 5 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for diverticulum

diverticulum

noun
di·​ver·​tic·​u·​lum | \ ˌdī-vər-ˈtik-yə-ləm How to pronounce diverticulum (audio) \
plural diverticula\ -​lə How to pronounce diverticulum (audio) \

Medical Definition of diverticulum

1 : an abnormal pouch or sac opening from a hollow organ (as the colon or bladder)
2 : a blind tube or sac branching off from a cavity or canal of the body the liver is an anterior diverticulum of the intestine— Gordon Alexander

More from Merriam-Webster on diverticulum

Britannica English: Translation of diverticulum for Arabic Speakers

Britannica.com: Encyclopedia article about diverticulum

Comments on diverticulum

What made you want to look up diverticulum? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!