Core \Core\, v. t. [imp. & p. p. {Cord} (k?rd); p. pr. & vb. n. {Coring}.] 1. To take out the core or inward parts of; as, to core an apple. He's likee a corn upon my great toe . . . he must be cored out. --Marston. 2. To form by means of a core, as a hole in a casting.