/ Dictionary / Index B by-your-leave: Meaning and Definition of Find definitions for: by-your-leave Pronunciation: (bī'yur-lēv'), [key] — n. an apology for not having sought permission. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. by-work Byz. Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language