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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Options include properly filtered solar eclipse glasses, a safe handheld solar viewer and a pinhole projector (learn how to make one on NASA's website). Mike Snider, USA Today, 12 Aug. 2026 Special eclipse glasses or pinhole projectors are required to safely view solar eclipses and prevent eye damage. Raf Sanchez, NBC news, 12 Aug. 2026 Cox credited the museum’s highly skilled projectionists with maintaining and operating the museum’s IMAX 70mm projector, a rare piece of technology that the museum wants to preserve. Amanda Rosa, Miami Herald, 11 Aug. 2026 Magcubic Mini Projector On Sale 9% off Basche and Wakama both recommended a mini projector, which is such a fun way to host movie night that’s not on a laptop or tablet. Gina Vaynshteyn, StyleCaster, 11 Aug. 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 17 Aug. 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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