/ Dictionary / Index V vibrato: Meaning and Definition of Find definitions for: vi•bra•to Pronunciation: (vi-brä'tō, vī-), [key] — pl. -tos. a pulsating effect, produced in singing by the rapid reiteration of emphasis on a tone, and on bowed instruments by a rapid change of pitch corresponding to the vocal tremolo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vibrato (Thesaurus) vibrational quantum number vibrator Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language