/ Dictionary / Index E excaudate: Meaning and Definition of Find definitions for: ex•cau•date Pronunciation: (eks-kô'dāt), [key] — adj. Zool. tailless; lacking a tail or taillike process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ex cathedra excavate Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language