Definitions
1.NounA flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth."Although we did not see the lightning, we did hear the thunder."
2.NounA discharge of this kind."The lightning was hot enough to melt the sand.; That tree was hit by lightning."
3.NounAnything that moves very fast.
4.NounGin.
5.NounObsolete form of lightening.
6.AdjectiveExtremely fast or sudden; moving (as if) at the speed of lightning.
7.VerbTo produce lightning.