/ Dictionary / Index P patrilateral: Meaning and Definition of Find definitions for: pat•ri•lat•er•al Pronunciation: (pa"tru-lat'ur-ul, pā"-), [key] related through the father. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. patrifocal patrilineage Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language