1 In this sense it is nearly synonymous with synopsis. ( 2 n.) The tracing of things to their source, and the resolving of knowledge into its original principles. ( 3 n.) A syllabus, or table of the principal heads of a discourse, disposed in their natural order.
A lightning rod or lightning conductor is a iron rod that is used to make lightning strike it, rather than strike something else. It is part of a lightning protection system. Such a system is made of many such rods. These rods are usually placed at high points of buildings and structures.
A lightning conductor is a metal rod that is usually attached to  the top most part of a building. It is connected by a thick  insulated copper wire into the ground where itâ¦ is attached to a  metal and buried. A lightning conductor is used to protect  buildings from lightning damage. 1 person found this useful.