/ Dictionary / Index P plural marriage: Meaning and Definition of Find definitions for: plur'al mar'riage Pronunciation: [key] polygamy (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. plurally plus Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language