1. n. A device to turn electric current on and off or direct its flow.
2. n. A change.
3. n. (rail transport, US) A movable section of railroad track which allows the train to be directed down one of two destination tracks; point.
4. n. A slender woody plant stem used as a whip; a thin, flexible rod, associated with corporal punishment in the United States.
5. n. (computer science) A command line notation allowing specification of optional behavior.
Use the /b switch to specify black-and-white printing.
6. n. (computing, programming) A programming construct that takes different actions depending on the value of an expression.
7. n. (computing, networking) A networking device connecting multiple wires, allowing them to communicate simultaneously, when possible. Compare to the less efficient hub device that solely duplicates netwo
8. n. (telecommunication) A system of specialized relays, computer hardware, or other equipment which allows the interconnection of a calling party's telephone line with any called party's line.
9. n. (BDSM) One who is willing to take either a submissive or a dominant role in a sexual relationship.
10. n. A separate mass or tress of hair, or of some substance (such as jute) made to resemble hair, formerly worn on the head by women.
11. v. To exchange.
I want to switch this red dress for a green one.
12. v. To change (something) to the specified state using a switch.
Switch the light on.
13. v. To whip or hit with a switch.
14. v. (intransitive) To change places, tasks, etc.
I want to switch to a different seat.
15. v. (slang) To get angry suddenly; to quickly or unreasonably become enraged.
16. v. To swing or whisk.
to switch a cane
17. v. To be swung or whisked.
The angry cat's tail switched back and forth.
18. v. To trim.
to switch a hedge
19. v. To turn from one railway track to another; to transfer by a switch; generally with off, from, etc.
to switch off a train; to switch a car from one track to another
20. v. (ecclesiastical) To shift to another circuit.
21. adj. (snowboarding) Pertaining to riding with the front and back feet swapped round compared to one's normal position. BBC Sport, , 11 February 2014
22. adj. (freestyle skiing) Pertaining to skiing backwards.
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