Definition
A wiper arm is a mechanical lever that holds a windshield wiper blade against the windshield of a vehicle 🚗. It applies pressure to ensure the blade effectively clears rain, snow, or debris. Unlike the wiper blade itself, the arm provides the structural support and movement. Think of it as the backbone of the windshield wiping system. It is connected to the wiper motor, which powers its motion. Without it, the wiper blade is rendered useless.