Mattoir

Mat`toir´

n.	1.(Engraving) A kind of coarse punch with a rasplike face, used for making a rough surface on etching ground, or on the naked copper, the effect after biting being very similar to stippled lines.

Mattoir

(or Mace-Head) a tool for metal engraving, primarily by dotting in order to give a printed effect like crayon. It looks like a steel pestle with a spherical or club-shaped thickening and has pins with which depressions are struck into a plate (dots and lines).

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