seclude from the world (kept separate from the world)
She cloistered herself in the office.
cloister myself away to think and write
How little real sympathy there exists between us; how many of my thoughts and feelings are gloomily cloistered within my own mind; how much of my higher and better self is indeed unmarried - doomed either to harden and sour in the sunless shade of solitude, or to quite degenerate and fall away for lack of nutriment in this unwholesome soil.
Anne Bronte -- The Tenant of Wildfell Hall
told the priest that though he himself had broader views, he could respect those whose creed required them to be cloistered and ignorant of this world.
Gilbert K. Chesterton -- The Innocence Of Father Brown
Although I was also a strange bird, I didn’t see any reason to grow up and cloister myself in some farm shack, freeze in the winter, sweat in the summer, fight flies, and eat cold collards for the sake of art or anything else.
Kaye Gibbons -- My Mother, Literature, and a Life Split Neatly into Two Halves
Martha was a cloistered nun in a convent outside Portland, Maine.
To see samples using other meanings of cloister, click a word sense below: architectural sense
a covered walkway and the courtyard it surrounds with an open colonnade on one side of the walkway and the perimeter building walls on the other side -- especially as an area of quiet contemplation on religious grounds