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1. a wooden peg or metal rod fixed crosswise through an eye at the end of a rope, chain, or cable, for fastening temporarily by insertion through an eye in another rope, chain, etc.
2. Machinery a toggle joint or a device having such a joint
To switch back and forth between two stable states or modes of operation.
A hardware or software device that carries out this switching action.
To switch over to an alternate state, as in a flip-flop.
A form of jointed mechanism for the amplification of forces.
To change a bit from whatever state it is in to the other state; to change from 1 to 0 or from 0 to 1. This comes from "toggle switches", such as standard light switches, though the word "toggle" actually refers to the mechanism that keeps the switch in the position to which it is flipped rather than to the fact that the switch has two positions. There are four things you can do to a bit: set it (force it to be 1), clear (or zero) it, leave it alone, or toggle it.