switch

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.

Switch the light on.

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.

I want to switch to a different seat.

to switch a cane

The angry cat's tail switched back and forth.

Switch and clip thorn and other deciduous hedges.

to switch off a train; to switch a car from one track to another