projector Meaning, Definition & Usage

  1. noun an optical device for projecting a beam of light
  2. noun an optical instrument that projects an enlarged image onto a screen

WordNet

Pro*ject"or noun
Etymology
Cf. F. projeteur.
Definitions
  1. One who projects a scheme or design; hence, one who forms fanciful or chimerical schemes. L'Estrange.
  2. an optical instrument which projects an image from a transparency onto a projection screen or other surface, using an intense light and one or more lenses to focus the image.Slide projector; movie projector. Overhead projector.

Webster 1913