Breadcrumb Home > Dictionary > Index A air switch: Meaning and Definition of Find definitions for: air' switch" Pronunciation: [key] — Elect. Elect. a switch in which the interruption of the circuit occurs in air. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air-superiority air system ✖ Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language