/ Dictionary / Index B big road: Meaning and Definition of Find definitions for: big' road' Pronunciation: [key] — Chiefly South Midland and Southern U.S. Chiefly South Midland and Southern U.S. a main road or highway. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Big Rapids big science 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