The term 'Polish for Printing' refers to the process of editing a document before it is printed. This involves making sure that the document is free of errors, that the formatting is correct, and that the content is clear and concise. The crossword solution for this term is EDIT, which is a four-letter word meaning to make changes or corrections to a text. Editing is an important part of the printing process, as it ensures that the document is ready for printing and will look professional when printed.