/ Dictionary / Index E epiglottis: Meaning and Definition of Find definitions for: ep•i•glot•tis Pronunciation: (ep"i-glot'is), [key] — pl. -glot•tis•es, -glot•ti•des a thin, valvelike, cartilaginous structure that covers the glottis during swallowing, preventing the entrance of food and drink into the larynx. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epiglottis (Thesaurus) epigeous epigone Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language