/ Dictionary / Index S switch plug: Meaning and Definition of Find definitions for: switch' plug" Pronunciation: [key] a plug, as for an electric iron, equipped with an on-off switch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. switch plate switchyard 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