/ Dictionary / Index B blub: Meaning and Definition of Find definitions for: blub Pronunciation: (blub), [key] — n. a swelling of fresh plasterwork. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blub (Thesaurus) BLT blubber Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language