/ Dictionary / Index I infinite baffle: Meaning and Definition of Find definitions for: in'finite baf'fle Pronunciation: [key] — Audio. Audio. a loudspeaker enclosure that totally separates sound emanating from the rear of the speaker cone from sound emanating in front, so as to prevent mutual interference. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. infinite infinite decimal Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language