'Watt' definitions:

Definition of 'watt'

(from WordNet)
noun
A unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm [syn: watt, W]
noun
Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819) [syn: Watt, James Watt]

Definition of 'Watt'

From: GCIDE
  • Watt \Watt\, n. [From the distinguished mechanician and scientist, James Watt.] (Physics) A unit of power or activity equal to 10^7 C.G.S. units of power, or to work done at the rate of one joule a second. An English horse power is approximately equal to 746 watts. [1913 Webster]