Testamentary causes
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In English law
Causes or matters relating to the probate of wills, the granting of administrations, and the suing for legacies, of which the ecclesiastical courts have jurisdiction.
3 Bl. Comm. 95, 98.
Testamentary causes are causes relating to the validity and execution of wills. The phrase is generally confined to those causes which were formerly matters of ecclesiastical jurisdiction, and are now dealt with by the court of probate. Mozley & Whitley.