/ Dictionary / Index P patresfamilias: Meaning and Definition of Find definitions for: pa•tres•fa•mil•i•as Pronunciation: (pā"trēz-fu-mil'ē-us, pä"-, pa"-), [key] — n. a pl. of paterfamilias. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: patresfamilias (Thesaurus) patres conscripti* Patri Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language