definition of
watt

[1] #1 watt n. [W] 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. wn

[2] #2 watt n. [Watt, James Watt] Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819). wn