simple past tense and past participle of cloister
of communal life sequestered from the world under religious vows
providing privacy or seclusion
"the cloistered academic world of books"
"sat close together in the sequestered pergola"
"sitting under the reclusive calm of a shade tree"
"a secluded romantic spot"
Dwelling or raised in, or as if in, cloisters; solitary.