What is 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 called?

mattoir — 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. (Webster's 1913.)

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