/ Dictionary / Index B blain: Meaning and Definition of Find definitions for: blain Pronunciation: (blān), [key] — n. Pathol. an inflammatory swelling or sore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blain (Thesaurus) blah-blah-blah Blaine Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language