October 24: cloister \ KLOI-ster \, verb; 1. to confine in retirement; seclude. 2. to confine in a monastery or convent. 3. to furnish with a cloister or covered walk. 4. to convert into a monastery or convent. noun: 1. a covered walk, especially in a religious institution, having an open arcade or colonnade usually opening onto a courtyard. 2. a place of religious seclusion, as a monastery or convent. 3. any quiet, secluded place.