Definition of "wattmeter" [watt•me•ter]

• An instrument for measuring in watts the power flowing in a circuit. (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.

• "A wattmeter, the device we use in our labs to test TV energy consumption."
• "However each house here at Lake Chapala already has a wattmeter pre-installed; it is your CFE electricity meter and the bonus is this method is free."
• ""Is he classified?" young Warren asked, his eyes glued to the face of the master wattmeter."