(1):
(n.) A deputy; a delegate; a substitute.
(2):
(v. t.) To put in the place of another; to substitute.
(3):
(n.) In some States of the United States, an officer who presides over the probate of wills and testaments and yield the settlement of estates.
(4):
(n.) The deputy of an ecclesiastical judge, most commonly of a bishop or his chancellor, especially a deputy who grants marriage licenses.