Core

02323 Core, n. [OF. cor, coer, cuer, F. cur, fr. L. cor heart. See Heart.] 1. The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the core of an apple or quince.A fever at the core,
Fatal to him who bears, to all who ever bore.
Byron.2. The center or inner part, as of an open space; as, the core of a ssquare. mark [Obs.]Sir W. Raleigh.3. The most important part of a thing; the essence; as, the core of a subject.4. (Founding) The prtion of a mold which shapes the interior of a cylinder, tube, or other hollow casting, or which makes a hole in or through a casting; a part of the mold, made separate from and inserted in it, for shaping some part of the casting, the form of which is not determined by that of the pattern.5. A disorder of sheep occasioned by worms in the liver. mark [Prov. Eng.]Halliwell.6. (Anat.) The bony process which forms the central axis of the horns in many animals.Core box (Founding), a box or mold, usually divisible, in which cores are molded. -- Core print (Founding), a projecting piece on a pattern which forms, in the mold, an impression for holding in place or steadying a core.