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. [1913 Webster] He's like a corn upon my great toe . . . he must be cored out. --Marston. [1913 Webster] 2. To form by means of a core, as a hole in a casting. [1913 Webster] 3. To extract a cylindrical sample from, with a boring device. See {core[8]}. [PJC]