The plant Silene chalcedonica (syn. Lychnis chalcedonica), with bright red flowers.

(idiomatic) A difficult or challenging feat, particularly to attempt such a feat. / (idiomatic) Great, unlikely, fleeting success, particularly entrepreneurial or in the media.

(slang) To be executed by electric chair.

plural of lightning mapper

plural of lightning discharger

A relatively rare form of cloud-to-ground lightning which appears to break up into a string of short, bright sections, and lasts longer than the usual discharge channel.

Illegally distilled whiskey.

plural of lightning rod

(idiomatic) Incredibly fast.

A round of a game or contest that gives participants a fixed time in which to achieve as much as possible.