Search Result for "wattmeter": 
Wordnet 3.0

NOUN (1)

1. an instrument for measuring in watts the flow of power in an electrical circuit; 



The Collaborative International Dictionary of English v.0.48:

Wattmeter \Watt"me`ter\, n. [Watt + meter.] (Physics)
   An instrument for measuring power in watts, -- much used in
   measuring the energy of an electric current.
   [1913 Webster]


WordNet (r) 3.0 (2006):

wattmeter
    n 1: an instrument for measuring in watts the flow of power in
         an electrical circuit