/ Dictionary / Index S switch plate: Meaning and Definition of Find definitions for: switch' plate" Pronunciation: [key] a plate, usually of metal, ceramic, or plastic, covering a switch so that the knob or toggle protrudes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. switchover switch plug Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language