/ Dictionary / Index A abbr.: Meaning and Definition of Find definitions for: abbr. Pronunciation: [key] abbreviation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Abboud abbreviate Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language