/ Dictionary / Index B brim: Meaning and Definition of Find definitions for: brim Pronunciation: (brim), [key] — n., v., brimmed, brim•ming. —n. the upper edge of any&dh;thing hollow; rim; brink: the brim of a cup. a projecting edge: the brim of a hat. margin. —v.i. to be full to the brim. —v.t. to fill to the brim. brim Pronunciation: (brim), [key] — pl. brim, brims. bream (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: brim (Thesaurus) Brill's disease brimful 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