projector

noun

A machine that shines light to display pictures or video on a screen or wall.

Example sentence

“We hooked the laptop up to the projector for the presentation.”

Common in classrooms and meetings; 'overhead projector' names the older transparency machine that screens replaced.

Related words

globeThe world we live on; the planet Earth.whiteboardA board with a smooth white surface that you write on with erasable markers and can wipe clean afterward.atlasA book of maps, often including charts, pictures, or explanatory text.blackboardA big dark board, often made of slate, that people write on with chalk and wipe clean afterwards.dictionaryA reference book covering one subject or field, with its entries listed in alphabetical order like an A-to-Z encyclopedia.gymnasiumA big hall or building designed for playing indoor sports and doing exercise.