The term 'BIG BELL' can be broken down into two crossword solutions: BEN (3 letters) and GONG (4 letters). BEN is a Hebrew name meaning 'son of' or 'son of the right hand'. It is also a shortened form of the name Benjamin. GONG is a percussion instrument made of metal, wood, or stone that produces a loud ringing sound when struck. Together, BEN and GONG form the term BIG BELL, which is a large bell that produces a loud ringing sound when struck.