/ Dictionary / Index P patrilineage: Meaning and Definition of Find definitions for: pat•ri•lin•e•age Pronunciation: (pa"tru-lin'ē-ij, pā"-), [key] lineal descent traced through the male line. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: patrilineage (Thesaurus) patrilateral patrilineal 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