Core, n.
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 square. [Obs.]
3. The most important part of a thing; the essence; as, the core of a subject; -- also used attributively, as the core curriculum at a college.
4. Founding The portion 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. [Prov. Eng.]
6. Anat. The bony process which forms the central axis of the horns in many animals.
7. Elec. A mass of iron or other ferrous metal, forming the central part of an electromagnet, such as those upon which the conductor of an armature, a transformer, or an induction coil is wound.
Note: The presence of the iron intensifies the magnetic field created by a a current passing through the windings.
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.
Core dump See core dump in the vocabulary.