A covenstead is a building or area that a witchcraft

Witchcraft

Witchcraft, in historical, anthropological, religious, and mythological contexts, is the alleged use of supernatural or magical powers. A witch is a practitioner of witchcraft...

 coven

Coven

A coven or covan is a name used to describe a gathering of witches or in some cases vampires. Due to the word's association with witches, a gathering of Wiccans, followers of the witchcraft-based neopagan religion of Wicca, is also described as a coven....

 (or church

Wiccan church

Wiccan churches are a type of organization found within some groups of Wicca, particularly in North America. While in Europe Wicca is most often organized into independent covens, in the United States some covens choose to combine to form a "church". Churches are often formed from hive covens...

) has designated as their permanent ritual area. In addition to a building owned by the coven, this ritual space can be a room in the home of the High Priestess or other coven member, a rented space, a public park or other outdoor location, land belonging to the coven, or even an astral

Astral plane

The astral plane, also called the astral world, is a plane of existence postulated by classical , medieval, oriental and esoteric philosophies and mystery religions...

temple.