/ Dictionary / Index B brimmer: Meaning and Definition of Find definitions for: brim•mer Pronunciation: (brim'ur), [key] — n. a cup, glass, or bowl full to the brim. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brimful brimstone Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language