Proper noun
FLDS
Initialism of Fundamentalist Church of Jesus Christ of Latter Day Saints, a Mormon denomination.
Seth Jeffs was arrested at the FLDS compound near Pringle, South Dakota. Source: Internet
These days, Jessop is no longer welcome within FLDS walls. Source: Internet
Though he knew his decision would have serious consequences, Barlow left the FLDS church, which he now saw as less a church than as the cult of Warren Jeffs. Source: Internet