/ Dictionary / Index A arrondissement: Meaning and Definition of Find definitions for: ar•ron•disse•ment Pronunciation: (u-ron'dis-munt, ar"un-dēs'- Fr. a-rôn-dēs-män'), [key] — pl. -ments the largest administrative division of a French department, comprising a number of cantons. an administrative district of certain large cities in France. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arrogate arrow Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language