/ Dictionary / Index E esophagus: Meaning and Definition of Find definitions for: e•soph•a•gus Pronunciation: (i-sof'u-gus, ē-sof'-), [key] — pl. -gi a muscular passage connecting the mouth or pharynx with the stomach in invertebrate and vertebrate animals; gullet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: esophagus (Thesaurus) esophageal speech esoteric Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language