/ Dictionary / Index B boil-over: Meaning and Definition of Find definitions for: boil-o•ver Pronunciation: (boil'ō"vur), [key] — n. Australian and New Zealand Slang. an unexpected result. boil•o•ver Pronunciation: (boil'ō"vur), [key] — n. the act or fact of boiling over: an automatic burner control that eliminates boilovers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boil-over (Thesaurus) boil-off Boisbriand Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language