/ Dictionary / Index H hillbilly music: Meaning and Definition of Find definitions for: hill'billy mu"sic Pronunciation: [key] folk music combined with elements of popular music in which the banjo, fiddle, and guitar are principal instruments: a type of music that originated in mountain regions of the southern U.S. country-and-western music. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hillbilly hill climb Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language