the GNU version of the Collaborative International Dictionary of English
adj. Cloistral.
The Century Dictionary and Cyclopedia
Relating to a cloister; cloistral.
Resembling a religious house in its seclusion; cloister-like; secluded.
Word Usage
"In Seduction and Betrayal, for example, she located Virginia Woolf's special and claustral narrowness, her aggravated femininity, less in her situation as a woman than in the aestheticism and androgyny of Bloomsbury."