Definition of: cathedral

(kə·thē′drəl) noun
1. The church containing the cathedra or official chair of the bishop; the mother church of a diocese.
2. Any large or important church.
—adjective
1. Pertaining to or containing a bishop's chair or see.
2. Of or pertaining to any chair of authority; authoritative; dogmatic.
3. Of, pertaining to, belonging to, or resembling a cathedral: a cathedral choir.