switch

1. switch (noun) — sense 1

Definition: A device to turn electric current on and off or direct its flow.

2. switch (noun) — sense 2

Definition: A change or exchange.

Example: After many complications and sudden switches of career and identity for all […] they end up selling out for fame and money, and leave the boardwalk for good.

3. switch (noun) — sense 3

Definition: A movable section of railroad track which allows the train to be directed down one of two destination tracks; (set of) points.

4. switch (verb) — sense 4

Definition: To exchange.

Example: I want to switch this red dress for a green one.

5. switch (verb) — sense 5

Definition: To change (something) to the specified state using a switch.

Example: Switch the light on.

6. switch (verb) — sense 6

Definition: To whip or hit with a switch.

Example: They were looking on the ground, absorbed in thought. The manager was switching his leg with a slender twig: his sagacious relative lifted his head.

7. switch (adj) — sense 7

Definition: Pertaining to riding with the front and back feet swapped round compared to one's normal position.

8. switch (adj) — sense 8

Definition: Pertaining to skiing backwards.