1) a device with a waffle-like pattern of parallel rows of raised points that is used to break the paper fiber of <#stamp=stamps> 2) the waffle-like pattern of raised, broken points on a stamp, created by a grilling device. Stamps were grilled from 1867-1871 by the <#nbnc=National Bank Note Co.> as a security device. By breaking the fibers of paper it was hoped to make the ink used in <#cancel=cancellations> more completely absorbed and thus harder to wash out.