A former religious settlement in the jungle of Guyana, established by Reverend Jim Jones with about 1,000 followers, almost all of whom died in a mass suicide in late 1978.
Definition of Jonestown in US English:
Jonestown
proper nounˈjōnztoun
A former religious settlement in the jungle of Guyana, established by Reverend Jim Jones with about 1,000 followers, almost all of whom died in a mass suicide in late 1978.