claustral
/ˈklɔːstrəl/adjective
1- of or relating to a cloister or religious house（与）修道院（有关）的：
claustral buildings.
修道院建筑。
1.1
- figurative enveloping; confining〈喻〉包围的; 禁闭的：
this claustral heat.
团团包围的热气。
词源
late Middle English: from late Latin claustralis, from Latin claustrum 'lock, enclosed place' （see CLOISTER）.