/ Dictionary / Index O overhead railway: Meaning and Definition of Find definitions for: o'verhead rail'way Pronunciation: [key] — Brit. Brit. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overhead camshaft overhead-valve engine Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language