/ Dictionary / Index E epitasis: Meaning and Definition of Find definitions for: e•pit•a•sis Pronunciation: (i-pit'u-sis), [key] — pl. -ses the part of an ancient drama, following the protasis, in which the main action is developed. Cf. catastasis, catastrophe (def. 4), Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. epitaph epitaxis Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language