/ Dictionary / Index A arr.: Meaning and Definition of Find definitions for: arr. Pronunciation: [key] arranged. arrangement. arrival. arrive; arrived. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arquebusier arrack 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