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 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.
A disorder of sheep occasioned by
worms in the liver.
The bony process which
forms the central axis of the horns in many animals.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
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