toggle

Toggle has 2 syllables: tog · gle.

noun. A hinged switch that can assume either of two positions.

noun. 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).

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.

verb. Fasten with, or as if with, a toggle.