Switchable and Toggle

noun

• Any instruction that works first one way and then the other; it turns something on the first time it is used and then turns it off the next time.
• A hinged switch that can assume either of two positions.
  • synonyms: toggle switch, on-off switch, on/off switch
• A fastener consisting of a peg or pin or crosspiece that is inserted into an eye at the end of a rope or a chain or a cable in order to fasten it to something (as another rope or chain or cable. )

verb

• Provide with a toggle or toggles.
• Fasten with, or as if with, a toggle.
• Release by a toggle switch.
  • usage: "toggle a bomb from an airplane"

• (n.) Two rods or plates connected by a toggle joint.
• (n.) A wooden pin tapering toward both ends with a groove around its middle, fixed transversely in the eye of a rope to be secured to any other loop or bight or ring; a kind of button or frog capable of being readily engaged and disengaged for temporary purposes.