/ Dictionary / Index E ETS: Meaning and Definition of Find definitions for: ETS Pronunciation: [key] — Trademark. Trademark. Educational Testing Service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Etruscology et seq. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language