E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Sleck-stone.
The ebon stone used by goldsmiths to slecken (polish) their gold with. Curriers use a similar stone for smoothing out creases of leather; the slecker is also made of glass, steel, etc. (Icelandic, slkr, our word sleek.)
kr, our word sleek.)
