/ Dictionary / Index P paternity test: Meaning and Definition of Find definitions for: pater'nity test" Pronunciation: [key] an assessment of possible paternity based on a comparison of the genetic markers of the offspring and those of the putative father. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paternity leave, paternoster Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language