lightning

From Wiktionary

[change] Pronunciation

• IPA: /ˈlaɪt.nɪŋ/
• SAMPA: /"laIt.nIN/
•  Audio (US)^{help, file}

[change] Noun

Singular lightning

Plural none

1. A flash of light caused by electrical discharge in the atmosphere.
2. An electrical discharge in the atmosphere.

   That tree was hit by lightning.