Spelter

Spelter a kind of imperfect metal, the same as zink.

Definition taken from The Universal Etymological English Dictionary, edited by Nathan Bailey (1736)

To Spitch-Cock an Eel * Stang
Cross-bar Shot
Case-Shot
Langrel Shot
Trundle Shot
Sin
Snake [Hieroglyphically]
A merry Snap
Snow
Speeks [with Shipwrights]
To Spitch-Cock an Eel
Spelter
Stang
Staˊnza [in Poetry]
Falling Stars
Fixed Stars
Stimulaˊtion
Striˊdent
Suck-stone
Sun
The Sun of Righteousness
The Sun [Hieroglyph.]