Noun: chapterhouse
- A building attached to a monastery or cathedral; used as a meeting place for the chapter
"The monks gathered in the chapterhouse to discuss important matters of the order"
- A house used as a residence by a chapter of a fraternity
"The fraternity brothers gathered at the chapterhouse for their weekly meeting";
- fraternity house, frat house [informal]
Derived forms: chapterhouses
Type of: building, edifice, house
Encyclopedia: Chapterhouse