/ Dictionary / Index P patrilineal: Meaning and Definition of Find definitions for: pat•ri•lin•e•al Pronunciation: (pa"tru-lin'ē-ul, pā"-), [key] inheriting or determining descent through the male line. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: patrilineal (Thesaurus) patrilineage patrilinear Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language