n. A covered walk with an open colonnade on one side, running along the walls of buildings that face a quadrangle.n. A place, especially a monastery or convent, devoted to religious seclusion.n. Life in a monastery or convent.n. A secluded, quiet place.v. To shut away from the world in or as if in a cloister; seclude.v. To furnish (a building) with a cloister.