/ Dictionary / Index B beaker: Meaning and Definition of Find definitions for: beak•er Pronunciation: (bē'kur), [key] — n. a large drinking cup or glass with a wide mouth. contents of a beaker: consuming a beaker of beer at one gulp. a flat-bottomed cylindrical container, usually with a pouring lip, esp. one used in a laboratory. —adj. (cap.) of or pertaining to the Beaker folk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: beaker (Thesaurus) beaked whale Beaker folk 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