cloister
A cloister is a covered walk, typically arcaded, that surrounds a central open space or cloister garth in a church, monastery, convent, or religious house. The term derives from Latin claustrum, meaning an enclosed place, and is used both for the architectural feature and for the life of enclosure associated with it.
Architecturally, cloisters form a quadrilateral or rectangular enclosure around a courtyard. They usually comprise a ground-level
Historically, cloisters appeared in Christian monastic complexes in Late Antiquity and flourished in the Middle Ages
In modern usage, cloisters remain in functioning monasteries and cathedrals, and the term is used more generally