- a technique of engraving, especially on copper, in which a sharp-pointed needle is used for producing furrows having a burr that is often retained in order to produce a print characterized by soft, velvety black lines.
- a print made by this technique.
- a technique of intaglio engraving with a hard steel needle, without acid, on a copper plate
- the sharp steel needle used in this process
- an engraving or print produced by this method
