Webster's Revised Unabridged Dictionary · 1913

Toggle

Toggle , noun

[Compare Tug.]

1.
(Nautical) 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.
2.
(Machinery) Two rods or plates connected by a toggle joint.
3.
A toggle switch.

Toggle , transitive verb

(Computer programming) To change the value of (a program variable) by activating a toggle switch; as, to toggle the view from character to graphic mode; to toggle the keyboard input from insert to overtype mode.
Collocations (2)
Toggle iron , a harpoon with a pivoted crosspiece in a mortise near the point to prevent it from being drawn out when a whale, shark, or other animal, is harpooned.
Toggle joint , an elbow or knee joint, consisting of two bars so connected that they may be brought quite or nearly into a straight line, and made to produce great endwise pressure, when any force is applied to bring them into this position.