pregage verb 2adjective 1forms 3 verb2 •(US) To gauge beforehand; to make an initial estimate of size, magnitude or position.As in most rail renewal operations, a plate setting device is used to pregage the tie plates for the DUN-RITE GAGING MACHINE. — 1952 •(no longer used) To preengage.by oath pregaged to the pope — 1655 adjective1 •(rare) Before gauging.removes parts one at a time from the bottom of the loading tray and cycles them to a probe station for a pregage check to ensure that they are within the required size. — 1982 formspregaged · pregaging · pregages