conviciumin Scots law, the verbal injury of bringing a person into public hatred and ridicule, even (according to a few, but not all, commentators) by saying something that is true.
Collins Dictionary of Law © W.J. Stewart, 2006
CONVICIUM, civil law. The name of a species of slander, or, in the meaning of the civil law, injury, uttered in pubic, and which charged some one with some act contra bonos mores. Vicat, ad verb; Bac. Ab. Slander.
A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.