- projector - an optical device for projecting a beam of light
--1 is a kind of optical device
- projector - an optical instrument that projects an enlarged image onto a screen
--2 is a kind of optical instrument
--2 has particulars:epidiascope; front projector; movie projector, cine projector, film projector; overhead projector; slide projector Derived form: verb project4 - projector - an optical instrument that projects an enlarged image onto a screen