A Quick and Simple Dictionary

switch

1. Noun.  A device to turn electric current on and off or direct its flow.
2. Noun.  A change.
3. Noun.  (context, rail transport) A movable section of railroad track which allows the train to be directed down one of two destination tracks; point.
4. Noun.  A slender woody plant stem used as a whip.
5. Noun.  (computer science) A command line notation allowing specification of optional behavior.
6. Noun.  (computing, programming) A programming construct that takes different actions depending on the value of an expression.
7. Noun.  (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 network packets to each wire.
8. Noun.  (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. Noun.  (BDSM) One who is willing to take either a sadistic or a masochistic role.
10. Verb.  (transitive) To exchange.
11. Verb.  (transitive) To change (something) to the specified state using a switch.
12. Verb.  (transitive) To whip or hit with a switch.
13. Verb.  (intransitive) To change places, tasks, etc.
14. Verb.  (slang) (intransitive) To get angry suddenly; to quickly or unreasonably become enraged.