The funeral tolling of a bell is the technique of sounding a single bell very slowly, with a significant gap between strikes. It is used to mark the death of a person at a funeral or burial service.
The expression "tolling" is derived from the English tradition of "telling" of the death by signalling with a bell. The term tolling may also be used to signify a single bell being rung slowly, and possibly half-muffled at a commemoration event many years later.
Tolling is typically used for tenor bells in change ringing, it also applies to bourdon bells as well in a bell tower or cathedral.