/ Dictionary / Index M matter of record: Meaning and Definition of Find definitions for: mat'ter of rec'ord Pronunciation: [key] a fact or statement that appears on the record of a court and that can be proved or established by producing such record. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. matter of law matter wave 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