A fuse for an explosive.
A colored flare used as a warning on the railroad.
A light musket or firelock.
A large friction match.
One who, or that which, fuses or is fused; an individual component of a fusion.
A conical, grooved pulley in early clocks, antique watches, and possibly all non-electronic marine chronometers.
A device that deactivates an electrical circuit under certain conditions, often for safety reasons