1. An officer appointed by a court of equity to assist the court.
2. English law. (usu. cap.) A senior official or clerk of a court of chancery who assists the Chancellor in various duties such as inquiring into matters referred by the court, examining cases, taking oaths and affidavits, hearing testimony, and computing damages. • There were many Masters in Chancery at the same time. The office was abolished in 1897 and was replaced by the office of Master of the Supreme Court. — Also termed master of the chancery. See MASTER OF THE SUPREME COURT. [Cases: Equity 395.]