Origin of fireroom
Examples from the Web for fireroom
Perhaps that explosion in the fireroom had not been meant to injure the ship seriously.
It was a busy time in the fireroom, but there was nothing to do on deck but watch the steamer.Within The Enemy's Lines|Oliver Optic
The fireroom is full of water; but it looks to me as though a seacock had been opened.
No, only put me in the fireroom, shoveling coal in the furnace.Dick in the Everglades|A. W. Dimock
He stood at one side as the stokers filed in from forward, ready to relieve those working in the fireroom below.