/ Dictionary / Index B barrelful: Meaning and Definition of Find definitions for: bar•rel•ful Pronunciation: (bar'ul-fool"), [key] — pl. -fuls. the amount that a barrel can hold. any large quantity: a barrelful of jokes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barrelful (Thesaurus) barrelfish barrelhead Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language