In eccleslastlcal law. The place in a church where the priest’s vestures are deposited. Also an assembly of the mln-ister, church-wardens, nnd parishioners, usually held in the vestry of the church, or in a building called a “vestry-hall,” to act upon buslness of the church. Mozley & whltley
Source: Black’s Law Dictionary 2nd Ed (1910)
