n.1 Brit. an officer (usu. one of two) at certain universities, appointed annually and having mainly disciplinary functions.
2 US a supervisor of students in an examination etc.
3 Law a person managing causes in a court (now chiefly ecclesiastical) that administers civil or canon law.
4 a representative of the clergy in the Church of England convocation.
Phrases and idioms:
Queen's (or King's) Proctor (in the UK) an official who has the right to intervene in probate, divorce, and nullity cases when collusion or the suppression of facts is alleged.
Derivatives:
proctorial adj. proctorship n.
Etymology: ME, syncopation of PROCURATOR