A person who supervises students during an examination. The proctor walked around the room to ensure no one was cheating during the test.
An official in certain universities appointed to keep order or to supervise students. The university proctor was responsible for maintaining discipline among the students.
Historically, an attorney or solicitor practising in ecclesiastical or admiralty courts in England. In 18th-century England, a proctor could represent clients before the Court of Admiralty.