proctor
n. countablen. a person who watches students during an exam to make sure they do not cheat. They also help by handing out papers and keeping track of the time.
n. a person appointed to supervise students during an examination to ensure academic integrity. Often used in North American academic contexts; equivalent to 'invigilator' in British English.
The proctor told us to put our pens down.
If you have a question about the instructions, please raise your hand and wait for the proctor to come to your desk.
To maintain a secure testing environment, the university requires one proctor for every thirty students, ensuring that all sightlines are covered and any suspicious behavior is immediately documented.
The soil test was originally developed by Ralph R. Proctor.
Commonly used as a noun, but also functions as a transitive verb meaning to supervise an exam.