/ Dictionary / Index R rockabilly: Meaning and Definition of Find definitions for: rock•a•bil•ly Pronunciation: (rok'u-bil"ē), [key] — n. a style of popular music combining the features of rock-'n'-roll and hillbilly music. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rockabilly (Thesaurus) rock rock-and-roll Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language