vormimisel vormi ülemisse poolde asetatav õhukese plaadi kujuline kärn, mis täidab osaliselt eemaldatud mudeli poolt moodustunud vormiõõnsuse, a core set in place during the ramming of a mold to cover and complete a cavity partly formed by the withdrawal of a loose part of the pattern; also used to form part or all of the cope surface of the mold cavity