What is the meaning of Projector?

Someone who devises or suggests a project; a proposer or planner of something.

An optical device that projects a beam of light, especially one used to project an image (or moving images) onto a screen.

One who projects, or ascribes his/her own feelings to others.

An operator that forms a projection.

projector (projection device)

a projector (projection device)

Alternative form of projetor

Source: wiktionary.org