Antithetarius
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In old English law
A man who endeavors to discharge himself of the crime of which he is accused, by retorting the charge on the accuser. He differs from an approver in this, that the latter does not charge the accuser, but others.
Jacob.