| a chattering or flighty, light-headed person. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
watt (wŏt)
n.
Abbr. W
A unit of power in the International System of Units equal to one joule per second.
| watt (wŏt) Pronunciation Key
The SI derived unit used to measure power, equal to one joule per second. In electricity, a watt is equal to current (in amperes) multiplied by voltage (in volts). |