/ Dictionary / Index S sixty-fourth rest: Meaning and Definition of Find definitions for: six'ty-fourth' rest" Pronunciation: [key] — Music. Music. a rest equal in time value to a sixty-fourth note. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sixty-fourth note sixty-nine Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language