/ Dictionary / Index P patrilinear: Meaning and Definition of Find definitions for: pat•ri•lin•e•ar Pronunciation: (pa"tru-lin'ē-ur, pā"-), [key] — adj. patrilineal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: patrilinear (Thesaurus) patrilineal patriliny 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