esophagus

noun

esoph·​a·​gus i-ˈsä-fə-gəs 

plural esophagi i-ˈsä-fə-ˌgī  -ˌjī 

: 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

i-ˌsä-fə-ˈjē-əl 

adjective

Examples of esophagus in a Sentence

Recent Examples on the Web

Esophagus During a contest, swallowing occurs almost continuously as large amounts of food and water repeatedly stretch the esophagus. — Jennifer Borresen, USA Today, 3 July 2026

Buffalo Gap National Grassland is wide open in every direction—no trees, no buildings, nothing to blunt the gusts—and my bike zigzags, rocketing my stomach into my esophagus. — Ashlea Halpern, Condé Nast Traveler, 2 July 2026

Some Probiotic Studies Show Acid Reflux Improvement Gastroesophageal reflux (also called acid reflux, or heartburn) occurs when the contents of your stomach flow up into the esophagus. — Verywell Health, 1 July 2026

That sensation, also known as heartburn, is due to acidic contents of your stomach flowing upward into your esophagus. — Sarah Klein, Time, 30 June 2026

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

Rhymes for esophagus

• phytophagous
• sarcophagus
• oesophagus

Kids Definition

esophagus

noun

esoph·​a·​gus i-ˈsäf-ə-gəs 

plural esophagi -ˌgī 

-ˌjī

: a muscular tube that leads from the cavity behind the mouth to the stomach

esophageal

-ˌsäf-ə-ˈjē-əl 

adjective

Medical Definition

esophagus

noun

esoph·​a·​gus

variants or chiefly British oesophagus

i-ˈsäf-ə-gəs 

plural esophagi -ˌgī  -ˌjī 

: 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