Mattoir

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Mattoir \Mat*toir"\, n. [F. matoir.] (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.
     [Webster 1913 Suppl.]