TOGGLE

I. noun Etymology: origin unknown Date: circa 1775 a piece or device for holding or securing: as, a pin inserted in a nautical knot to make it more secure or easier to slip, a crosspiece attached to the end of or to a loop in something (as a chain, rope, line, strap, or belt) usually to prevent slipping, to serve in twisting or tightening, or to hold something attached, a device consisting of two bars jointed together end to end but not in line so that when a force is applied to the joint tending to straighten it pressure will be exerted on the parts adjacent or fixed to the outer ends of the bars, II. verb (~d; toggling) Date: 1836 transitive verb to fasten with or as if with a ~, to furnish with a ~, intransitive verb to switch between two options especially of an electronic device usually by pressing a single button or a simple key combination