noun

• (rail transport, US, Philippines) A movable section of railroad track which allows the train to be directed down one of two destination tracks; (set of) points.
• (music) Synonym of rute.
• (computer science) A command line notation allowing specification of optional behavior.
  "Use the /b switch to specify black-and-white printing."
• (computing, programming) A programming construct that takes different actions depending on the value of an expression.

verb

• (transitive) To exchange.
  "A “moving platform” scheme[…]is more technologically ambitious than maglev trains even though it relies on conventional rails. Local trains would use side-by-side rails to roll alongside intercity trains and allow passengers to switch trains by stepping through docking bays."
• (transitive) To change (something) to the specified state using a switch.
  "Switch the light on."
• (transitive, in modern times Southern US) To whip or hit with a switch.
  "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."
• (intransitive) To change places, tasks, etc.
  "I want to switch to a different seat."

adj

• (snowboarding) Pertaining to riding with the front and back feet swapped round compared to one's normal position.
• (freestyle skiing) Pertaining to skiing backwards.

noun

• (video games) Ellipsis of Nintendo Switch.
  ""Super Bomberman R" was a launch title on the Switch."