/ Dictionary / Index T terat-: Meaning and Definition of Find definitions for: terat- Pronunciation: [key] var. ofbefore a vowel: teratoid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. teraphim teratism Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language