Noah Webster
Core
CORE, noun [Latin , the heart. Gr. See Class Gr.]
1. The heart or inner part of a thing; particularly, the central part of fruit, containing the kernels or seeds; as the core of an apple or quince. It was formerly applied to place; as, in the core of a square.
2. The inner part of an ulcer or boil.
3. A body. [Not used.]
4. A disorder of sheep, occasioned by worms in the liver.