A piece of copper made into the shape of an arch, used as a jeweller's tool. Obsolete. rare.

(a) a factory in which products are polished; (b) a lap of metal or other material used in polishing gems (now rare).

(See quots.)

Gem-cutting. A slicer, slitting-disk.

(corruptly gim-peg) (see quot.).

A tool for positioning or setting a jewel in a watch mechanism or piece of jewellery.

a small file with a knurled cylindrical shaft, used by jewellers, watchmakers, etc.

A wedge-shaped piece of wood projecting from a jeweller's board.

Technical uses. A small anvil used by metal-workers, esp. one with a tang for fitting into a socket on a bench. Also, a tool used by watchmakers…

Diamond-cutting. A sharp piece of diamond used to mark the point of intended cleavage; a pencil-like tool to which such a diamond is attached.