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giant clam
[ jahy-uhnt klam ]
noun
- any of several huge clams of the family Tridacnidae, inhabiting the shallow waters of coral reefs in the tropical Indo-Pacific, including Tridacna squamosa fluted giant clam, a relatively hardy but conservation dependent species that grows to about 16 inches (40 centimeters) across.
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Word History and Origins
Origin of giant clam1
First recorded in 1945–50
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