esophagus

noun

esoph·​a·​gus i-ˈsä-fə-gəs How to pronounce esophagus (audio)
plural esophagi i-ˈsä-fə-ˌgī How to pronounce esophagus (audio) -ˌjī How to pronounce esophagus (audio)
: a muscular tube that conveys food from the mouth to the stomach and that in humans is about nine inches (23 centimeters) long and passes from the pharynx down the neck between the trachea and the spinal column and behind the left bronchus where it pierces the diaphragm slightly to the left of the middle line and joins the cardiac end of the stomach
esophageal adjective

Examples of esophagus in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
New cases remained stable for the following cancer types: stomach, melanoma of the skin, esophagus, leukemia, and liver and intrahepatic bile duct. Melissa Rudy, FOXNews.com, 21 Apr. 2025 But what about the heart, lungs, larynx, esophagus, stomach, intestines and kidneys? Ariel Bleicher, Quanta Magazine, 16 Apr. 2025 More than 65 million Americans are affected by the chronic condition, in which stomach acid flows into the esophagus, causing irritation and heartburn, among other symptoms. Jillian Sederholm, EW.com, 4 Apr. 2025 Acid reflux is a condition where stomach contents, including acid, flow back up into the esophagus. Ryan Brennan, Miami Herald, 26 Mar. 2025 See All Example Sentences for esophagus

Word History

Etymology

Middle English ysophagus, from Medieval Latin ysofugus, from Greek oisophagos, from oisein to be going to carry + phagein to eat — more at baksheesh

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of esophagus was in the 14th century

Browse Nearby Words

Cite this Entry

“Esophagus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/esophagus. Accessed 2 May. 2025.

Kids Definition

esophagus

noun
esoph·​a·​gus i-ˈsäf-ə-gəs How to pronounce esophagus (audio)
plural esophagi -ˌgī How to pronounce esophagus (audio)
-ˌjī
: a muscular tube that leads from the cavity behind the mouth to the stomach
esophageal adjective

Medical Definition

esophagus

noun
esoph·​a·​gus
variants or chiefly British oesophagus
plural esophagi -ˌgī How to pronounce esophagus (audio) -ˌjī How to pronounce esophagus (audio)
: a muscular tube that in adult humans is about nine inches (23 centimeters) long and passes from the pharynx down the neck between the trachea and the spinal column and behind the left bronchus where it pierces the diaphragm slightly to the left of the middle line and joins the cardiac end of the stomach

More from Merriam-Webster on esophagus

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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