Kernel

Webster's Dictionary of the English Language

·noun A single seed or grain; as, a kernel of corn.

II. Kernel ·vi To harden or ripen into kernels; to produce kernels.

III. Kernel ·noun A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.

IV. Kernel ·noun The central, substantial or essential part of anything; the gist; the core; as, the kernel of an Argument.

V. Kernel ·noun The essential part of a seed; all that is within the seed walls; the edible substance contained in the shell of a nut; hence, anything included in a shell, husk, or integument; as, the kernel of a nut. ·see ·Illust. of Endocarp.