Britannia
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) A white-metal alloy of tin, antimony, bismuth, copper, etc. It somewhat resembles silver, and is used for table ware. Called also Britannia metal.
The Nuttall Encyclopedia [2]
A name for Britain as old as the days of Cæsar, and inhabited by Celts, as Gaul also was.