/ Dictionary / Index N Northborough: Meaning and Definition of Find definitions for: North•bor•ough Pronunciation: (nôrth'bûr"ō, -bur"ō), [key] — n. a town in central Massachusetts. 10,568. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. North Borneo northbound Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language