The meaning of Megalith

noun

A large stone that forms a prehistoric monument (e.g. a standing stone) or part of one (e.g. a stone circle).

Usage examples:

A smaller circle of some forty ancient megaliths

noun

A large stone, sometimes forming part of a group or circle, thought to have been important to people in the stone age for social or religious reasons

adjective

Relating to or denoting prehistoric monuments made of or containing large stones.

Usage examples:

Massive megalithic monuments

adjective

Relating to megaliths (= ancient large stones, sometimes forming a group or circle), or the period when these were important

Usage examples:

Megalithic monuments, megalithic times