cloister - Dictionary definition and meaning for word cloister
cloister....close+sister...where sisters (nuns) are getting closed or where sisters are resides.....
cloister-oister(oyster)..generally oysters are dome like structures, ehich resembles the monastries and convents that are genereally dome like..
Cloister = Closed structure
when u close some the person is confined
closed to outsiders----to close oneself narrowly
CLoister = Close+ Oyster ; living away from world in a calm close place like an Oyster