Definition of lightning:
- A discharge of atmospheric electricity, accompanied by a vivid flash of light, commonly from one cloud to another, sometimes from a cloud to the earth. The sound produced by the electricity in passing rapidly through the atmosphere constitutes thunder.
- The act of making bright, or the state of being made bright; enlightenment; brightening, as of the mental powers.
- "Thelma", Marie Corelli.
- "Recalled to Life", Grant Allen.
- "The Boys' Life of Mark Twain", Albert Bigelow Paine.