Definitions for "Underprint"
An information bearing emblem, generally a revenue stamp or a share par value amount, preprinted (commonly in color) on the certificate before the main body of that certificate is printed
The impression made by a footprint on an underlying layer of strata. May closely resemble a true footprint or be quite indistinct.
a layer of white ink that we lay down under your design when you print on darker colors or black shirts