Black's Law Dictionary (2nd edition)dictionaries

De .State Probanda

For prov-ing age. A writ which formerly lay to sum-mon a jury in order to determine the age of the heir of a tenant in capite who claimed his estate as heing of full age. Fitzh. Nat Brev. 257; Reg. orig. 294

Source: Black’s Law Dictionary 2nd Ed (1910)