/ Dictionary / Index V voice coil: Meaning and Definition of Find definitions for: voice' coil" Pronunciation: [key] — Elect. Elect. a moving coil that drives the diaphragm of a sound reproduction system, as a loudspeaker, by the interaction of a changing magnetic field that is produced by a current in the coil and a fixed magnetic field that is produced by permanent magnets. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. voice box voiced Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language