/ Dictionary / Index P pronaos: Meaning and Definition of Find definitions for: pro•na•os Pronunciation: (prō-nā'os), [key] — pl. -na•oi (in a classical temple) an open vestibule before the cella. Also calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pron. pronatalism Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language