Definition of switch

• n. - A small, flexible twig or rod.
• n. - A movable part of a rail; or of opposite rails, for transferring cars from one track to another.
• n. - A separate mass or trees of hair, or of some substance (at jute) made to resemble hair, worn on the head by women.
• n. - A mechanical device for shifting an electric current to another circuit.
• v. t. - To strike with a switch or small flexible rod; to whip.
• v. t. - To swing or whisk; as, to switch a cane.
• v. t. - To trim, as, a hedge.
• v. t. - To turn from one railway track to another; to transfer by a switch; -- generally with off, from, etc.; as, to switch off a train; to switch a car from one track to another.
• v. t. - To shift to another circuit.
• v. i. - To walk with a jerk.