WordReference Random House Unabridged Dictionary of American English © 2025
chap′ter house′,
- Religion[Eccles.]a building attached to or a hall forming part of a cathedral or monastery, used as a meeting place for the chapter.
- a building used by a chapter of a society, fraternity, sorority, etc.
- Middle English chapitelhus, Old English captelhus bef. 1150
'chapter house' also found in these entries (note: many are not synonyms or translations):