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giant clam

[ jahy-uhnt klam ]

noun

  1. 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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