"cloister" in the noun sense
1. religious residence, cloister
residence that is a place of religious seclusion (such as a monastery)
a courtyard with covered walks (as in religious institutions)
"cloister" in the verb sense
surround with a cloister, as of a garden
surround with a cloister
"cloister the garden"
seclude from the world in or as if in a cloister
"She cloistered herself in the office"
Source: WordNet® (An amazing lexical database of English)
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