Learn how to say Cloistered correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cloister:
a place of religious seclusion: monastery or convent
any place where one may lead a secluded life
an arched way or covered walk along the inside wall or walls of a monastery, convent, church, or college building, with a columned opening along one side leading to a courtyard or garden
to seclude or confine in or as in a cloister
to furnish or surround with a cloister