/ Dictionary / Index E ecthyma: Meaning and Definition of Find definitions for: ec•thy•ma Pronunciation: (ek'thu-mu, ek-thī'-), [key] — n. Vet. Pathol. a contagious viral disease of sheep and goats and occasionally of humans, marked by vesicular and pustular lesions on the lips. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ecthlipsis ecto- Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language