The term CLOISTER is a noun that refers to a covered walkway in a MONASTERY, CONVENT, or church, typically with an open colonnade on one side. It can also refer to a place of seclusion or retreat. The crossword solutions for the term CLOISTER include PRIORY (6 letters), NUNNERY (7 letters), MONASTERY (9 letters), CONVENT (7 letters), ABBEY (5 letters), SECLUDE (7 letters), and ISOLATE (7 letters). All of these words refer to places of religious retreat, such as monasteries, convents, and abbeys. They all imply a sense of seclusion and isolation from the outside world.