cloister

Noun

• a courtyard with covered walks (as in religious institutions)

• residence that is a place of religious seclusion (such as a monastery)

Verb

• seclude from the world in or as if in a cloister
  • She cloistered herself in the office
    

• surround with a cloister
  • cloister the garden
    

• surround with a cloister, as of a garden