L. Fr. In old English practice. A showing of deeds; a species of profert Cowell. MONSTRAVERUNT, WRIT OP 791 MORA MONSTRAVERUNT, WRIT OF. In English law . A writ which lies for the tenants of ancient demesne who hold by free charter, and not for those tenants who hold by copy of court roll, or by the rod, accord- ing to the custom of the manor. Fitzh. Nat. Rrev. 14.