"Henge" is a term that refers to a prehistoric monument consisting of a circular bank and ditch enclosure with an internal ditch. There are several synonyms for this word that can be used in various contexts. Some of the popular alternatives include "earthwork," "circle monument," "stone circle," "round-barrows" and "standing stone." While the term "henge" is commonly used in discussions related to prehistoric monuments, these synonyms have their individual significance. Earthwork is used to describe artificial changes in the landscape, such as banks, ditches or terraces. Stone circles are also a popular term used to describe prehistoric sites primarily consisting of closely spaced standing stones.