plural of switcher

One who or that which operates a switch. / One who or that which switches, or changes to something else. / (electronics) A switchmode power supply.

plural of road switcher

plural of code-switcher

(rail transport, US) a diesel locomotive that combines the duties of a switcher with those of a locomotive hauling trains from one place to another.

Someone who code-switches (alternates between two or more languages during spoken conversation).