vestry

Concise Oxford English Dictionary © 2008 Oxford University Press:
vestry/ˈvestri/

▶noun (pl. vestries)

• 1 a room in or attached to a church, used as an office and for changing into ceremonial vestments.

• 2 a meeting of parishioners, originally in a vestry, for parochial business.

– derivatives
vestryman noun (pl. vestrymen).

– origin ME: prob. from an Anglo-Norman Fr. alt. of OFr. vestiarie, from L. vestiarium.