/ Dictionary / Index K knife switch: Meaning and Definition of Find definitions for: knife' switch" Pronunciation: [key] — Elect. Elect. a form of air switch in which a moving element, usually a hinged blade, is placed between two contact clips. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. knife rest knight Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language