/ Dictionary / Index E endotracheal: Meaning and Definition of Find definitions for: en•do•tra•che•al Pronunciation: (en"dō-trā'kē-ul), [key] — adj. placed or passing within the trachea: an endotracheal tube. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endotoxin endotrophic 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