Definition of pewters:
(n) :
An alloy of approximately 93–98% tin and 1–2% copper, and the balance of antimony.
(n) :
Items made of pewter; pewterware.
(n) :
A dark, dull grey colour, like that of the metal.
(adj) :
Of a dark, dull grey colour, like that of the metal.
(n) :
A beer tankard made from pewter.
(v) :
(transitive) To coat with pewter.