1a short rod of wood or plastic sewn to one side of a coat or other garment, pushed through a hole or loop on the other side and twisted so as to act as a fastener.
a pin or other crosspiece put through the eye of a rope or a link of a chain to keep it in place.
(also toggle bolt) a kind of wall fastener for use on open-backed plasterboard, having a part that springs open or turns through 90° after it is inserted so as to prevent withdrawal.
a movable pivoted crosspiece acting as a barb on a harpoon.
2 (also toggle switch or toggle key) Computing a key or command that is operated the same way but with opposite effect on successive occasions.
1 [no object, with adverbial] Computing switch from one effect, feature, or state to another by using a toggle:the play/pause button toggles between those functions [with object]:there are a number of attributes which can be toggled on or off
2 [with object] provide or fasten with a toggle or toggles:our horses were hobbled or toggled before they were turned out to graze (as adjective toggled)a toggled coat
mid 18th century (originally in nautical use): of unknown origin