corporal -
Of or pertaining to the body, especially the human body.
Wikipedia
Corporal is a rank in use in some form by most militaries and by some police forces or other uniformed organizations. It is usually equivalent to NATO Rank Code OR-4. The word is probably derived from a medieval Italian phrase capo corporale, meaning "head of a body (of soldiers)".
OmegaWiki Dictionary
Ω
corporal A non-commissioned officer rank in the U.S.A army.