Projectionist (noun)

A person who operates a movie projector in a theater.

Origin:

From the latin word projectiō, meaning 'a throwing forth'.

Examples:

1. The projectionist was responsible for setting up the projector and starting the film on time.
2. The projectionist made sure the film was in focus and the sound was properly adjusted.
3. The projectionist was skilled in repairing and maintaining the projector.
4. The projectionist was a film enthusiast and had a vast knowledge of movies.
5. The projectionist's job was to ensure a smooth and seamless presentation of the film for the audience.