Toggle/ˈtɑːɡl/ Definition 1 of 3Pro Tip 1/3Mechanical Device Often found on devices for physical interaction, not just electronic. Flip the toggle to start the engine. Pro Tip 2/3Common Locations Frequently located on the side or back for easy access. The toggle at the back powers the device on. Pro Tip 3/3Tactile Feedback Provides a click or distinct movement, confirming action for the user. You'll feel the toggle click when the lights are on.