/ Dictionary / Index D duumvir: Meaning and Definition of Find definitions for: du•um•vir Pronunciation: (d-um'vur, dy-), [key] — pl. -virs, -vi•ri one of two officers or magistrates jointly exercising the same public function. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duty-free duumvirate Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language