britannia metal

from WordNet (r) 3.0 (2006)

Britannia metal
    n 1: an alloy similar to pewter

from The Collaborative International Dictionary of English v.0.48

Britannia \Bri*tan"ni*a\, n. [From L. Britannia Great Britain.]
   A white-metal alloy of tin, antimony, bismuth, copper, etc.
   It somewhat resembles silver, and is used for table ware.
   Called also {Britannia metal}.
   [1913 Webster]