Bushw Hacker

What does Bushw Hacker mean in American Law?

The definition of Bushw Hacker in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is:

Originally one who cleared away brush or bushes, e.g., to make farming or grazing land. Came primarily to refer to one who fought irregularly or from ambush, especially (during and after the Civil War) to Confederate soldiers who formed up troops of guerrilla forces, or turned into roving bands of outlaws.