/ Dictionary / Index B borough: Meaning and Definition of Find definitions for: bor•ough Pronunciation: (bûr'ō, bur'ō), [key] — n. (in certain states of the U.S.) an incorporated municipality smaller than a city. one of the five administrative divisions of New York City. an urban community incorporated by royal charter, similar to an incorporated city or municipality in the U.S. a town, area, or constituency represented by a Member of Parliament. (formerly) a fortified town organized as and having some of the powers of an independent country. (in Alaska) an administrative division similar to a county in other states. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: borough (Thesaurus) borosilicic acid borough-English 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