1
: one that ejects
especially : a mechanism of a firearm that ejects an empty cartridge
2
: a jet pump for withdrawing a gas, fluid, or powdery substance from a space

Examples of ejector 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.
The agreements cover avionics and ejector assemblies used on the SM-3 Block IB and Block IIA interceptors. — Aamir Khollam, Interesting Engineering, 14 Aug. 2026 Interestingly, Bohlin was an aviation engineer who had designed military ejector seats. — Peter Lyon, Forbes.com, 22 July 2026 Adding a human to a cockpit requires many more millions of dollars in cost, including small items such as the explosive bolts needed to launch ejector seats and specialized helmets. — Phillips Payson O’Brien, The Atlantic, 18 July 2026 On the back of the device is a SIM card ejector pin, in a slot of its own. — Ben Coxworth october 07, New Atlas, 7 Oct. 2025 See All Example Sentences for ejector

Word History

First Known Use

1640, in the meaning defined at sense 1

Time Traveler
The first known use of ejector was in 1640

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Cite this Entry

“Ejector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ejector. Accessed 24 Sep. 2026.

Medical Definition

: something that ejects see saliva ejector
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