/ Dictionary / Index B byway: Meaning and Definition of Find definitions for: by•way Pronunciation: (bī'wā"), [key] — n. a secluded, private, or obscure road. a subsidiary or obscure field of research, endeavor, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: byway (Thesaurus) bytownite byword 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