One who provides laws to a society.
Any lawmaker.
A person or group that sets standards of practice, especially those established by law.
A bulldozer (member of intimidating group of white US Southerners).
A device that controls or limits something.
A device that controls the supply of steam to the cylinders of a steam locomotive.
A gene involved in controlling the expression of one or more other genes.
A very accurate clock, used by clockmakers to measure the timekeeping of each newly made clock.