1
: one that plans a project
specifically : promoter
2
: one that projects: such as
a
: a device for projecting a beam of light
b
: an optical instrument for projecting an image upon a surface
c
: a machine for projecting movies on a screen
3
: an imagined line from an object to a surface along which projection takes place

Examples of projector in a Sentence

Recent Examples on the Web
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There were makeshift projector screens all across the city, and fire escapes teemed with fans hanging on each play. — Dan Adler, Vanity Fair, 21 Oct. 2026 If the new optics and iris system live up to their contrast claims, the Horizon 30 could further narrow the gap between a convenient living room projector and a serious home cinema setup, and that’s a gap XGIMI has been steadily chipping away at. — New Atlas, 21 Oct. 2026 In either case, the projector will rotate through the primary colors more rapidly, which helps minimize the likelihood of seeing rainbow artifacts (flashes of red, green, blue, and—in this case—yellow). — M. David Stone, PC Magazine, 18 Oct. 2026 That's why one of the best star projectors might be the solution. — Chris McMullen, Space.com, 17 Oct. 2026 See All Example Sentences for projector

Word History

First Known Use

1596, in the meaning defined at sense 1

Time Traveler
The first known use of projector was in 1596

Browse Nearby Words

Cite this Entry

“Projector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/projector. Accessed 27 Oct. 2026.

Kids Definition

projector

noun
: a machine for projecting an image or pictures upon a surface
a motion-picture projector
a slide projector

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