noun

• In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W
• Watt, a king of Sussex.
• An Anglo-Saxon given name.
• A diminutive of the male given name Walter, of medieval usage, variant of Wat.
• An English and Scottish surname originating as a patronymic.
• A ghost town in California, United States.