/ Dictionary / Index B broad gauge: Meaning and Definition of Find definitions for: broad' gauge' Pronunciation: [key] — Railroads. Railroads. See under(def. 13). broad-gauge Pronunciation: (brôd'gāj"), [key] — adj. of or pertaining to equipment designed for a railroad having track of a broad gauge: broad-gauge rolling stock. of wide scope, application, or experience: broad-gauge efforts to improve the health of our citizens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. broadfaced broad glass Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language