What is Actio Rerum Amotarum?

Legal Definition
An action for things removed; an action which, in cases of divorce, lay for a husband against a wife, to recover things carried away by the latter, in contemplation of such divorce. Dig. 25, 2 ; Id. 25, 2, 25, 30. It also lay for the wife against the husband in such cases. Id. 25, 2, 7, 11; Cod. 5, 21.
-- Black's Law Dictionary