regulators

noun

1. 1

   A device that controls or limits something.

   “The voltage regulator stopped working and the resulting overload destroyed the device.”

2. 2

   A person or group that sets standards of practice, especially those established by law.

3. 3

   A very accurate clock, used by clockmakers to measure the timekeeping of each newly made clock.

4. 4

   A gene involved in controlling the expression of one or more other genes.

5. 5

   A device that controls the supply of steam to the cylinders of a steam locomotive.

6. 6

   A bulldozer (member of intimidating group of white US Southerners).