pith >> /pɪθ/
Definition: [transitive verb] Remove the pith from.
Definition: [transitive verb] Pierce or sever the spinal cord of (an animal) so as to kill or immobilize it.
Example: Animals were pithed through the right orbit to the spinal column with a round copper rod of 1.5 mm in diameter.
Definition: [noun] Spongy white tissue lining the rind of an orange, lemon, and other citrus fruits.
Example: Remove the rind and white pith from the lemons and then cut the flesh into very thin slices, removing the pips.
Definition: [noun] The essence of something.
Example: a book that he considered contained the pith of all his work
Definition: [noun] Forceful and concise expression.
Example: he writes with a combination of pith and exactitude