IPA: /ˈbiːdˌroʊl/
KK: /ˈbēdˌrōl/
A list of names, often used for remembering people for whom prayers are said.
The church maintains a beadroll to remember all the members who have passed away.
Beadroll is formed from "bead" (from Old English *bede*, meaning prayer or request) and "roll" (from Old French *rolle*, meaning a scroll or list). The word refers to a list of prayers or requests, often recited in a religious context.
Think of a 'bead' as a prayer and a 'roll' as a list — a beadroll is a list of prayers.