clois·ter 
(kloistər)
(kloistər)n.
1.
a. A quadrangle enclosed by an open colonnade and a covered walk.
b. The covered walk enclosing such a quadrangle.
2.
a. A place, especially a monastery or convent, devoted to religious seclusion.
b. Life in a monastery or convent.
3. A secluded, quiet place.
tr.v. clois·tered, clois·ter·ing, clois·ters
1. To shut away from the world in or as if in a cloister; seclude.
2. To furnish (a building) with a cloister.
[Middle English cloistre, from Old French, alteration (influenced by cloison, partition) of clostre, from Latin claustrum, enclosed place, from claudere, to close.]
cloisterRoyal Cloister at the Monastery of Santa Maria da Vitória, also known as the Batalha Monastery Batalha, Portugal