switch

/swɪtʃ/

noun

1
A bundle of thin sticks, typically made of wood, sometimes bond in such a way that binding can be moved so that it varies the tightness of the binding.

1
A device to turn electric current on and off or direct its flow.
2
A change or exchange.
3
A movable section of railroad track which allows the train to be directed down one of two destination tracks; (set of) points.
4
A slender woody plant stem used as a whip; a thin, flexible rod, associated with corporal punishment in the United States.
5
A command line notation allowing specification of optional behavior.
“Use the /b switch to specify black-and-white printing.”
6
A programming construct that takes different actions depending on the value of an expression.
“2004, "Curt", Can I use IF statements, and still use switches? (on newsgroup microsoft.public.word.mailmerge.fields)”
7
A networking device connecting multiple wires, allowing them to communicate simultaneously, when possible. Compare to the less efficient hub device that solely duplicates network packets to each wire.
8
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
A mechanism within DNA that activates or deactivates a gene.
10
(BDSM) One who is willing to take either a submissive or a dominant role in a sexual relationship.
11
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.

1
To exchange.
“I want to switch this red dress for a green one.”
2
To change (something) to the specified state using a switch.
“Switch the light on.”
3
To whip or hit with a switch.
4
To change places, tasks, etc.
“I want to switch to a different seat.”
5
To get angry suddenly; to quickly or unreasonably become enraged.
6
To swing or whisk.
“to switch a cane”
7
To be swung or whisked.
“The angry cat's tail switched back and forth.”
8
To trim.
“to switch a hedge”
9
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”
10
To shift to another circuit.

1
Pertaining to riding with the front and back feet swapped round compared to one's normal position.
2
Pertaining to skiing backwards.

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