Core

A body of individuals; an assemblage.

A miner's underground working time or shift.

A Hebrew dry measure; a cor or homer.

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.

The center or inner part, as of an open space; as, the core of a square.

The most important part of a thing; the essence; as, the core of a subject.

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.

A disorder of sheep occasioned by worms in the liver.

The bony process which forms the central axis of the horns in many animals.

To take out the core or inward parts of; as, to core an apple.

To form by means of a core, as a hole in a casting.

the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"

(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit"

the central meaning or theme of a speech or literary work