blueline verb 6noun 1forms 3 verb6 •To veto a portion of a budget.In 1961 the Governor bluelined the funds. — 1962 •To edit a legal document.It seems sensible under a range of circumstances to have that power to be able to blueline them— or redline them, as the case may be— so that they are removed from the register. — 2007 •To check the bluelines before printing material.Although claiming editorship, my involvement amounted to occasional 'bluelining', a deal of 'cutting-to-fit' and the general work required in designing and laying-out a book. — 1990 •To create the bluelines for material that is about to be printed.It was decided to make the color separation in the plotting, in order to eliminate bluelining and redrafting. — 1934 •(US, Canada) To designate a certain area as representing one in which investment is risky. •To mark on a patient's body where the surgical incision is to be made.Bone removal was continued in order to "blueline" the vestibule and then extended superiorly over the vestibule until Bill's bar was exposed. — 1988 noun1 •A reproduction of the material submitted for printing, computer-generated or printed from film, provided to the customer for approval before the material is printed. formsbluelined · bluelining · bluelines