What is Bodily Harm?

Legal Definition
Bodily harm is a legal term of art used in the definition of both statutory and common law offences in Australia, Canada, England and Wales and other common law jurisdictions. It is a synonym for injury or bodily injury and similar expressions, though it may be used with a precise and limited meaning in any given jurisdiction. The expression grievous bodily harm first appeared in a statute in Lord Ellenborough's Act (1803).
-- Wikipedia
Legal Definition
Any touching of the person of another against his will with physical force, in an intentional, hostile, and aggressive manner, or a projecting of such force against his person. People v. Moore, 50 Hun, 356, 3 N. Y. Supp. 159.
-- Black's Law Dictionary