/ Dictionary / Index S soprano clef: Meaning and Definition of Find definitions for: sopran'o clef" Pronunciation: [key] — Music. Music. a sign locating middle C on the bottom line of the staff. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. soprano sora Related Content Daily Word Quiz: ingenuity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language