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's also a big screen projector that the owners sometimes set up for movie nights. — Condé Nast, Condé Nast Traveler, 28 Oct. 2026 Wobbly home movie footage of summer camps runs through a small projector. — Literary Hub, 26 Oct. 2026 This projector delivers 700 lumens of color brightness to a 150-inch screen for an absolutely stunning viewing experience. — George Yang, PC Magazine, 26 Oct. 2026 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 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

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Cite this Entry

“Projector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/projector. Accessed 1 Nov. 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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