/ Dictionary / Index E epinaos: Meaning and Definition of Find definitions for: ep•i•na•os Pronunciation: (ep"u-nā'os), [key] — pl. -na•oi a rear vestibule, as of a classical temple. Also calledCf. pronaos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Épinal epinasty Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language