KERN'EL, n.1. The edible substance contained in the shell of a nut.2. Any thing included in a shell, husk or integument; a grain or corn; as a kernel of wheat or oats.3. The seed of pulpy fruit; as the kernel of an apple.4. The central part of any thing; a small mass around which other matter is concreted; a nucleus.5. A hard concretion in the flesh.
KERN'EL, v.i. To harden or ripen into kernels; as the seeds of plants.