EXAMPLES FROM THE WEB FOR CHURCH KEY
As a substitute for the usual ring, the church key has been put into requisition.
"That's not the church key," said Lewis, staring at the one just hung up.
A case is related, on the other hand, of a party that came to the church and requested to be married with a church key.
A parish clerk recollected an instance of a party that came to the church, and requested to be married with the church key.
There was always someone yelling for a "church key" (the metal key on the bottom of a can) to borrow.
At Tannington also they came to my father to ask him to let them have the church Bible and the church key.