hammer oyster

noun

: any of several bivalve mollusks of Malleus and related genera of Chinese and Australian waters having elongated handle-shaped shells that resemble an oyster on the interior and that are prolonged in both directions at the dorsal margin to suggest the head of a hammer

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Cite this Entry

“Hammer oyster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hammer%20oyster. Accessed 18 Jun. 2024.

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