What is the meaning of Pewter?

An alloy of approximately 93–98% tin and 1–2% copper, and the balance of antimony.

An alloy of tin and lead.

Items made of pewter; pewterware.

A beer tankard made from pewter.

A dark, dull grey colour, like that of the metal.

Prize money.

Of a dark, dull grey colour, like that of the metal.

To coat with pewter.

Source: wiktionary.org