What is Surrogate?

Legal Definition
In English law. One that is substituted or appointed in the room of another, as by a bishop, chancellor, judge, etc.; especially an officer appointed to dispense licenses to marry without banns. 2 Steph. Comm. 247. In American law. The name given in some of the states to the judge or judicial of-ficor who has the administration of probate matters, guardianships, etc. See Malone v. Sts. Peter & Paulis Church, 172 N. Y. 269, 64 N. E. 961. See Surrogate's court.
-- Black's Law Dictionary
Legal Definition
A deputy chancellor who presided in ecclesiastical courts; the judge of a probate court in certain states.
-- Ballentine's Law Dictionary