clamshell

noun

clam·​shell ˈklam-ˌshel How to pronounce clamshell (audio)
1
: the shell of a clam
2
a
: a bucket or grapple (as on a dredge) having two hinged jaws
b
: an excavating machine having a clamshell
c
: either of a pair of doors (as in an airplane tail) that open out and away from each other
d
: a hinged container, case, or cover that opens like the shell of a clam

Examples of clamshell 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.
This supersized version sports a clamshell design and mesh dividers separating the two main compartments. Drew Zieff, Outside Online, 8 Feb. 2025 Lately, Wells said, grocery stores have been investing in their prepared to-go options, with in-store pizza counters and plastic clamshells of deli salads and ready-to-heat containers of spaghetti. Rachel Sugar, The Atlantic, 6 Jan. 2025 The volume of 196 pages features 150 illustrations and is housed in a luxury clamshell case and covered in the Loro Piana Tela Sergio fabric, crafted from cotton and linen. Luisa Zargani, WWD, 18 Dec. 2024 With its second-generation systems, Framework pushed its sustainable design ethos even further with updates to its popular 13-inch clamshell model, a fresh, compact, 12-inch convertible 2-in-1, and the first Framework Desktop. Brian Westover, PCMAG, 25 Feb. 2025 See All Example Sentences for clamshell

Word History

First Known Use

circa 1520, in the meaning defined at sense 1

Time Traveler
The first known use of clamshell was circa 1520

Browse Nearby Words

Cite this Entry

“Clamshell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clamshell. Accessed 29 Mar. 2025.

Kids Definition

clamshell

noun
clam·​shell ˈklam-ˌshel How to pronounce clamshell (audio)
: the shell of a clam

More from Merriam-Webster on clamshell

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!