Definition of "regulator" []

• One that regulates, as: (noun)
• The mechanism in a watch by which its speed is governed. (noun)
• A highly accurate clock used as a standard for timing other clocks. (noun)
• A device used to maintain uniform speed in a machine; a governor. (noun)
• A device used to control the flow of gases, liquids, or electric current. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The term regulator actually covers six or more distinct functions and responsibilities."
• "It makes it less likely that the regulator is aware of the considerations that are important to you in determining the final outcome."
• "Financial stocks gained on a Bloomberg report that Japan's financial regulator is considering tougher capital rules for the largest banks."