The service that takes place at the site where the body or the cremation remains will be buried.
The final portion of the funeral service at which time the deceased is interred or entombed.
The committal service can be the sole service. It is usually briefer than a funeral or memorial service.
Funeral/Funeral Service, Memorial/Memorial Service, Internment
Searl E. 2000. In Memoriam: A Guide to Modern Funeral and Memorial Services. 2nd Edition. Boston, MA: Skinner House Books.