(n.) An apparatus for measuring force or power; especially, muscular effort of men or animals, or the power developed by a motor, or that required to operate machinery.

VOM VTVM ammeter ampere-hour meter coulometer dynamometer expansion ammeter faradmeter galvanometer hysteresis meter magnetometer megohmmeter mhometer milliammeter moving-coil meter ohmmeter potentiometer thermoammeter thermocouple thermoelectrometer variometer voltameter voltmeter