toggler

noun5

1. •
   Something that toggles between two states or causes something else to toggle between two states.

   • In orienting a spacecraft, in executing turns, etc., and astronaut must operate the levers, buttons, and toggler switches, not to mention many other motory tasks. — 1969
2. •
   A machine operator who is responsible for turning the machine on and off.

   • His last period of employment began on February 3, 1958, and, once again, he was employed as a toggler on a piece-rate basis. — 1958
3. •
   A type of fastener that has hinged wings that spread to provide a surface against which the fastener can be tightened (e.g. a toggle bolt).

   • Sold in sealed blister packages, each contains two plastic toggler anchors, two metal hooks and a "popping" device. — 1975
4. •
   A member of a bomber crew responsible dropping bombs from a wing plane at a signal from the lead bombardier.

   • Also, not everyone was happy with our combat crew modifications: dropping copilots from lead crews; replacing bombardiers with togglers in our wing crews; eliminating our ball-turret gunners, etc. — 2001
5. •
   A person occupied chaining up logs to prevent them from rolling off during transport on railroad cars and trucks.

   • The toggler fastens a chain about the logs upon a car for transportation, to keep them from rolling off. — 1918