overmatter

English

Etymology

From over- +‎ matter.

Noun

overmatter (uncountable)

1. (printing) Typeset material that proves to be surplus to requirements.
   • 2005, Alan Pipe, Production for Graphic Designers, page 48:

     Casting off is estimating the number of words in a manuscript. Copy fitting is assessing how much space text will take up in a printed document. Both are important in ensuring that you do not end up with pages of overmatter.