/ Dictionary / Index H Hillsboro: Meaning and Definition of Find definitions for: Hills•bor•o Pronunciation: (hilz'bûr-ō, -bur-ō), [key] — n. a town in NW Oregon. 27,664. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hill of beans Hillsborough Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language