ap·​pen·​dec·​to·​my | \ ˌa-pən-ˈdek-tə-mē, ˌa-ˌpen-\
plural appendectomies

Definition of appendectomy

: surgical removal of the vermiform appendix

Keep scrolling for more

Did You Know?

The appendix is a tiny tube attached to the large intestine that no longer has any real function. Appendicitis—inflammation and swelling of the appendix, usually as a result of bacterial infection—generally occurs between the ages of 10 and 19, and is the most common reason for emergency surgery in the U.S. today. Since the appendix has so little to do, appendectomies normally have no negative aftereffects at all. If appendicitis is ignored, bacteria may enter the blood and infect other parts of the body.

Examples of appendectomy in a Sentence

The surgeon performed an appendectomy on her.

Recent Examples on the Web

Saving a few percent on overhead would be great, but MRIs and appendectomies are still going to cost 2x-4x here than in other OECD countries. Dylan Scott, Vox, "5 doctors and surgeons tell us what they really think about Medicare-for-all," 10 Aug. 2018 The husband of Iowa Gov. Kim Reynolds was back home Tuesday after undergoing an emergency appendectomy around 4 a.m., the governor said. Dom Calicchio, Fox News, "Iowa governor's husband recovering from emergency appendectomy," 15 Aug. 2018 Brandon Belt's appendectomy and now Evan Longoria's broken finger have created openings at both corner infield spots. Steve Gardner, USA TODAY, "Fantasy baseball waiver wire: Another Jose Fernandez draws attention," 15 June 2018 Study after study confirms this finding (one of my favorite studies shows that, in California, an appendectomy can cost anywhere between $1,529 and $186,955 depending on where it was performed). Sarah Kliff, Vox, "The absurdity of American health care pricing, in one chart," 9 May 2018 That same day, closer Tippy Martinez undergoes an appendectomy and pitcher Sammy Stewart is arrested and charged with drunken driving on the Beltway. Mike Klingaman,, "Remembering 1983: A look at the Orioles' world championship for the week of July 8-14," 8 July 2018 Scott had an appendectomy that robbed him of some playing time. Matthew Defranks,, "Marlins sign first-round pick Connor Scott: 'We feel that he can impact the game on both sides of the ball'," 8 June 2018 Right-hander Adrian Houser, who returned late last season from Tommy John reconstructive elbow surgery, had an appendectomy a few weeks back and is behind the other pitchers in readiness to pitch. Tom Haudricourt, Milwaukee Journal Sentinel, "Notes: Back in Brewers uniform, Yovani Gallardo looks forward to challenge of making club," 15 Feb. 2018 However, Belt is expected to miss three weeks after undergoing an emergency appendectomy. Noel Harris, sacbee, "It's election day in California. Why these baseball players deserve your All-Star vote," 5 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'appendectomy.' 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 appendectomy

1891, in the meaning defined above

History and Etymology for appendectomy

Latin appendic-, appendix + English -ectomy

Keep scrolling for more

Learn More about appendectomy

Share appendectomy

Statistics for appendectomy

Last Updated

18 Jan 2019

Look-up Popularity

Time Traveler for appendectomy

The first known use of appendectomy was in 1891

See more words from the same year

Keep scrolling for more

More Definitions for appendectomy



English Language Learners Definition of appendectomy

medical : an operation to remove a person's appendix


ap·​pen·​dec·​to·​my | \ ˌap-ən-ˈdek-tə-mē \
plural appendectomies

Medical Definition of appendectomy

: surgical removal of the vermiform appendix

Keep scrolling for more

More from Merriam-Webster on appendectomy

Rhyming Dictionary: Words that rhyme with appendectomy

Spanish Central: Translation of appendectomy

Nglish: Translation of appendectomy for Spanish Speakers Encyclopedia article about appendectomy

Comments on appendectomy

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


tremendous in size, volume, or degree

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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