From Longman Dictionary of Contemporary EnglishRelated topics: Filmprojectorpro‧jec‧tor /prəˈdʒektə $ -ər/ noun [countable]AMFa piece of equipment that makes a film or pictureappear on a screen or flatsurfaceExamples from the Corpusprojector• The Runco 980 projectorcosts $ 20,000.• The launcher for the medium-range version will incorporate a projector that produces a beam of infrared radiation.• Disappointmentfollowed, the luridprojector of mental pictures shut down and I was left feeling I ought to have known better.• Accompanyingillustrations are, even with the help of an overheadprojector, difficult to make clear.• If you know your speaker wants an overhead projector, make sure they've got one that works.• Manion turned on the overhead projector and put a new graphic on it.• Occasionally something went wrong with the projector and the screen was filled with sparks of light, like goldenrain.From Longman Business Dictionaryprojectorpro‧jec‧tor /prəˈdʒektə $ -ər/ noun [countable]a piece of equipment that makes a film or picture appear on a screen or flat surface →overhead projector