Breadcrumb Home > Dictionary > Index B Bluegrass Region: Meaning and Definition of Find definitions for: Blue'grass Re"gion Pronunciation: [key] a region in central Kentucky, famous for its horse farms and fields of bluegrass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bluegrass Bluegrass State ✖ Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language