giant clam


: 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 From colorful giant clams to barnacles, there’s no shortage of creatures that have taken inspiration from plants and simply stopped moving. Max Bennett, Discover Magazine, 15 Jan. 2024 Lunch is a steady stream of traditional tapas, including pil pil prawn croquettes and giant clams, followed by a digestif of sweet, dark Málaga Virgen wine. Lisa Johnson, Condé Nast Traveler, 20 Nov. 2023 Guests aboard Four Seasons Explorer can make good use of the PADI 5-Star Dive Centre while visiting such sites as Helmet Wreck, a World War II wreck; Clam City, home to 250-pound giant clams; and Peleliu Wall. Stefanie Waldek, Travel + Leisure, 30 Aug. 2023 But even these hellish habitats are crawling with life, ranging from giant clams and ravenous crabs to spindly octopuses and ghostly eelpout fish. Jack Tamisiea, Scientific American, 9 Aug. 2023 The coral reef that frames the island brims with tropical fish, manta rays, giant clams, and sharks. Lindsay Cohn, Travel + Leisure, 3 Apr. 2023 Like all clams, the giant clam, Tridacna gigas, pumps in water through a siphon, and transports it to the gills through the beating motion of short, hair-like cilia. Discover Magazine, 29 June 2010 An environmental impact report on upcoming missile tests has bad news for Kwajalein’s giant clam community. Kyle Mizokami, Popular Mechanics, 24 June 2021 One of her favorite spots is the Aloe Garden’s Abalone Pond, with its two cascading fountains of giant clam shells. Caron Golden, San Diego Union-Tribune, 8 May 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'giant clam.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1889, in the meaning defined above

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

Dictionary Entries Near giant clam

Cite this Entry

“Giant clam.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

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