giant clam

noun

: a very large clam (Tridacna gigas) found on the coral reefs of the Indian and Pacific oceans that sometimes weighs more than 500 pounds (227 kilograms)

Examples of giant clam in a Sentence

Recent Examples on the Web
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Reuters reported that the Philippines plans to sue China again, this time over environmental damage inside its EEZ, allegedly caused by Chinese dredging, artificial island construction, and coral and giant clam harvesting. Tom Rogers, Newsweek, 21 Feb. 2025 Inspectors observed four live giant clams in a water tank without any shellstock identification tags. Hannah Poukish, Sacramento Bee, 10 Jan. 2025

Word History

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of giant clam was circa 1889

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Cite this Entry

“Giant clam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/giant%20clam. Accessed 24 Apr. 2025.

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