/ Dictionary / Index E eighth note: Meaning and Definition of Find definitions for: eighth' note" Pronunciation: [key] — Music. Music. a note having one eighth of the time value of a whole note; quaver. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. eighthly eighth rest Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language