The Collaborative International Dictionary of English v.0.48:

Proctor \Proc"tor\, v. t.
   To act as a proctor toward; to manage as an attorney or
   agent. --Bp. Warburton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Proctor \Proc"tor\, n. [OE. proketour, contr. fr. procurator.
   See Procurator.]
   One who is employed to manage to affairs of another.
   Specifically:
   (a) A person appointed to collect alms for those who could
       not go out to beg for themselves, as lepers, the
       bedridden, etc.; hence a beggar. [Obs.] --Nares.
   (b) (Eng. Law) An officer employed in admiralty and
       ecclesiastical causes. He answers to an attorney at
       common law, or to a solicitor in equity. --Wharton.
   (c) (Ch. of Eng.) A representative of the clergy in
       convocation.
   (d) An officer in a university or college whose duty it is to
       enforce obedience to the laws of the institution.
       [1913 Webster]
       [1913 Webster]

WordNet (r) 3.0 (2006):

proctor
    n 1: someone who supervises (an examination) [syn: proctor,
         monitor]
    v 1: watch over (students taking an exam, to prevent cheating)
         [syn: invigilate, proctor]