#bell  a hollow device made of metal that makes a ringing sound when struck
  supertype:  acoustic_device  signaling_device
  subtype:  church_bell  cowbell  death_bell  dinner_bell  electric_bell  fire_bell  Liberty_Bell  school_bell  sheep_bell  shop_bell  sleigh_bell  warning_bell
  part:  clapper__tongue  metal striker that hangs inside a bell and makes a sound by hitting the side
  part:  sound_bow__soundbow  contact (the part of a bell) against which the clapper strikes

No statement uses or specializes bell; click here to add one.