CORE (5)

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