A metallic conductor that is attached to a high point of a building and leads to the ground to protect the building from damage by lightning.

A metallic conductor that is attached to a high point of a building and leads to the ground and protects the building from damage by lightning.

A device that provides an alarm to inform its user(s) that lightning has occurred nearby. Specific devices are available for a variety of applications.

A broad flash of lightning, with no visible bolt, due to reflection.

Cloud-to-ground lightning; lightning which connects (attaches) to the ground; lightning which results in the discharge of electricity between a cloud and the ground.

(offensive) Supposed cause of a fire which is in fact deliberately lit by the property owner in order to benefit from insurance or similar such as destruction of documents.

Something incredibly fast (now mainly used in comparison: like or faster than greased lightning).

(US, dated, slang) Bullets; gunfire.

Lightning strikes that occur when there is no rain, thus a common cause of bushfires or forest fires.

plural of scarlet lightning