1.
a device designed to prevent a mechanism from being operated unintentionally, e.g. one that stops a gun from being fired or a hoisting device from falling
3.
the part of a machine or piece of equipment that prevents it from starting, working, or opening accidentally
4.
the part of a gun that stops you from accidentally firing it
1.
a device designed to prevent a mechanism from being operated unintentionally, e.g. one that stops a gun from being fired or a hoisting device from falling
3.
the part of a machine or piece of equipment that prevents it from starting, working, or opening accidentally
4.
the part of a gun that stops you from accidentally firing it