/ Dictionary / Index S scat singing: Meaning and Definition of Find definitions for: scat' sing"ing Pronunciation: [key] — Jazz. Jazz. singing in which the singer substitutes improvised nonsense syllables for the words of a song, and tries to sound and phrase like a musical instrument. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scatoscopy scatt Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language